during day one of the 15th IAAF World Athletics Championships Beijing 2015 at Beijing National Stadium on August 22, 2015 in Beijing, China.

The World in Photos This Week

Beirut residents protest Lebanon’s trash crisis; migrants try to enter Macedonia; and French firefighters rescue an iguana.

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IDOMENI, GREECE - AUGUST 24:  Immigrants and refugees approach the Greece Macedonian border to Gevegelia where they hope to get a train to take them to Serbian border, on August 24, 2015 in Idomeni, Greece. Thousands of migrants and refugees have arrived on the border between Greece and Macedonia with many trying to travel through Macedonia to reach northern Europe. Macedonia border police have begun to let immigrants in small groups to cross the border in an attempt to avoid the chaos of previous days.  (Photo by Milos Bicanski/Getty Images)

Migrants approach Greece's border with Macedonia, where they hope to catch a train to Serbia, Aug. 24. Philippe Legrain argues in FP that Europe should welcome the migrants.

Milos Bicanski/Getty Images
CHICAGO, IL - AUGUST 24:  Traders signal offers in the Standard & Poor's 500 stock index options pit at the Chicago Board Options Exchange (CBOE) on August 24, 2015 in Chicago, Illinois. Uncertainty among traders after big losses in the Asian markets caused a sharp drop in the S&P at the open.  (Photo by Scott Olson/Getty Images)

Traders signal offers at the Chicago Board Options Exchange, Aug. 24. Lena Komileva writes for FP about the potential long-term effects of the current market chaos here.

Scott Olson/Getty Images
A Lebanese protester draws graffiti on concrete blast walls, recently erected by security forces, on the road leading to the governmental palace on August 24, 2015 in the capital Beirut. Activists in Lebanon vowed to press ahead with protests over a trash crisis that have become an outlet for deep-rooted, broad-based frustration over political stagnation, corruption, and crumbling infrastructure. AFP PHOTO / STR        (Photo credit should read -/AFP/Getty Images)

A man protesting Lebanon's trash crisis paints graffiti on concrete blast walls, recently erected by security forces, on the road leading to the governmental palace in Beirut, Aug. 24.

AFP/Getty Images
Afghan mourners offer funeral prayers during a ceremony after a series of explosions at a gas storage facility on the edge of the western city of Herat on August 25, 2015.  At least 11 people including several children were killed in a series of explosions at a gas storage facility on the edge of the western city of Herat, officials said on August 25. The explosions triggered an inferno which spread to a nearby camp for internally displaced people where most of the deaths occurred.   AFP PHOTO / Aref Karimi        (Photo credit should read Aref Karimi/AFP/Getty Images)

Mourners offer funeral prayers after a series of explosions at a gas storage facility on the edge of Herat, Afghanistan, Aug. 25.

Aref Karimi/AFP/Getty Images
People participate in the annual Color Run after party in Centennial Park in Sydney on August 23, 2015. The Color Run is a 5km fun run started in the US in 2012 and is inspired by the traditional Hindu festival Holi, where people throw natural coloured powders as the seasons change from winter to spring. AFP PHOTO / Peter PARKS        (Photo credit should read PETER PARKS/AFP/Getty Images)

People in Sydney, Australia, participate in the annual Color Run after-party in the city's Centennial Park, Aug. 23.

PETER PARKS/AFP/Getty Images
An Ukrainian serviceman dance with a woman during an open air celebrations of the Independence Day of Ukraine in Novoselivka village, some 20 km from Donetsk, on August 23, 2015. Ukraine will mark the Independence Day on August 24, 2015. AFP PHOTO/ ANATOLII STEPANOV        (Photo credit should read ANATOLII STEPANOV/AFP/Getty Images)

A Ukrainian serviceman dances with a woman during celebrations of Ukraine's Independence Day near Donetsk, Aug. 23.

ANATOLII STEPANOV/AFP/Getty Images
Afghan refugee women and children gather beside loaded trucks at the United Nations High Commissioner for Refugees (UNHCR) repatriation centre on the outskirts of Quetta on August 26, 2015, as they prepare to return to their home country after fleeing civil war and Taliban rule.  Pakistan has the world's second-largest refugee population, 1.5 million, most of them Afghans living for years in poor conditions in camps in the restive northwest. The number of Afghans crossing the border back to their homeland Afghanistan in the first four months of this year fleeing "pressure" from Pakistani officials was nine times higher than the same period last year, according to the International Organisation for Migration. AFP PHOTO / BANARAS KHAN        (Photo credit should read BANARAS KHAN/AFP/Getty Images)

Afghan refugees gather beside loaded trucks at a U.N. repatriation center on the outskirts of Quetta, Pakistan, Aug. 26.

BANARAS KHAN/AFP/Getty Images
A Nepalese boy bathes under a stone spout near the Patan Durbar Square in Lalitpur, some five kms south-east of Kathmandu on August 28, 2015. Patan Durbar Square, a UNESCO World Heritage Site, is best known for its rich cultural heritage, particularly its tradition of arts and crafts. AFP PHOTO/ Prakash MATHEMA        (Photo credit should read PRAKASH MATHEMA/AFP/Getty Images)

A boy bathes under a stone spout near the Patan Durbar Square in Lalitpur, Nepal, Aug. 28.

PRAKASH MATHEMA/AFP/Getty Image
Students clash with the riot police during a demonstration against an education reform plan pushed by the government of President Michelle Bachelet, in Santiago on August 27, 2015. Critics say the reforms fall short of overhauling a highly unequal education system inherited from the 1973-1990 dictatorship of late ruler Augusto Pinochet.   AFP PHOTO / CLAUDIO REYES        (Photo credit should read Claudio Reyes/AFP/Getty Images)

Students clash with the riot police during a demonstration in Santiago, Chile, against an education reform plan promoted by the government of President Michelle Bachelet, Aug. 27.

Claudio Reyes/AFP/Getty Images
WASHINGTON, DC - AUGUST 25:  A boy enjoys the "BEACH" at the National Building Museum August 25, 2015 in Washington, DC. The "BEACH" is an interactive architectural installation, with an "ocean" of nearly one million recyclable translucent plastic balls, that brings the experience of going to the beach indoor.  (Photo by Alex Wong/Getty Images)

A boy enjoys the indoor "BEACH" exhibit at the National Building Museum in Washington, D.C., Aug. 25.

Alex Wong/Getty Images
A serviceman shouts with an under-barrel grenade launcher in a position of Ukrainian forces near Avdiivka, Donetsk region on August 23, 2015. Ukrainian President Petro Poroshenko accused Russia of this week sending three military convoys over the border into the separatist-controlled east with a total of up to 500 tanks, 400 artillery systems and up to 950 military armoured vehicles to pro-Russian rebels, although he did not specify the time period for these deliveries. AFP PHOTO/ ANATOLII STEPANOV

        (Photo credit should read ANATOLII STEPANOV/AFP/Getty Images)

A Ukrainian serviceman stands holding a grenade launcher near Avdiivka, Donetsk, Aug. 23.

ANATOLII STEPANOV/AFP/Getty Images
A mother comforts her son at a temporary shelter in the flood affected Morisutitop village, in the Morigaon district of north eastern Assam state on August 23, 2015. Seven people have died and over 650,000 people have been affected by floods in Assam. AFP PHOTO/ Biju BORO

        (Photo credit should read BIJU BORO/AFP/Getty Images)

A mother comforts her son at a temporary shelter in the flood-affected Morisutitop village in India's Assam state, Aug. 23.

BIJU BORO/AFP/Getty Images
A member of the Macedonian police force and a migrant hold an injured boy during a clash between Macedonian police forces and migrant trying to cross an illegal crossing point on the border between Greece and Macedonia near the town of Gevgelija on August 22, 2015. Hundreds of mostly Syrian refugees forced their way over the Macedonian border today as police hurled stun grenades in a failed bid to stop them breaking through, an AFP reporter said. AFP  PHOTO / ROBERT ATANASOVSKI        (Photo credit should read ROBERT ATANASOVSKI/AFP/Getty Images)

A Macedonian policeman and a migrant support a boy injured during a clash between Macedonian police and migrants trying to cross the border from Greece near the town of Gevgelija, Aug. 22.

ROBERT ATANASOVSKI/AFP/Getty Images
during day one of the 15th IAAF World Athletics Championships Beijing 2015 at Beijing National Stadium on August 22, 2015 in Beijing, China.

Performers dance during the opening ceremony of the 15th IAAF World Athletics Championships at the Beijing National Stadium, Aug. 22.

Patrick Smith/Getty Images
Palestinians take cover behind a low wall during clashes between Palestinian farmers and Israeli security forces and Israeli settlers from the nearby Esh Kodesh outpost settlement on August 22, 2015 in the West Bank village of Qusra. Qusra is just a few kilometres (miles) north of Esh Kodesh, a village and an Israeli settlement outpost, and is the scene of frequent clashes between settlers and Palestinians.  AFP PHOTO / JAAFAR ASHTIYEH        (Photo credit should read JAAFAR ASHTIYEH/AFP/Getty Images)

Palestinians take cover behind a low wall during clashes with Israeli security forces and settlers from the nearby Esh Kodesh outpost settlement in the West Bank village of Qusra, Aug. 22.

JAAFAR ASHTIYEH/AFP/Getty Images
A wounded man is seen on the floor at a make shift hospital in the rebel-held area of Douma, east of the capital Damascus, following shelling and air raids by Syrian government forces on August 24, 2015. AFP PHOTO / ABD DOUMANY        (Photo credit should read ABD DOUMANY/AFP/Getty Images)

A wounded man lies on the floor of a makeshift hospital in the rebel-held area of Douma, Syria, following shelling by government forces, Aug. 24.

ABD DOUMANY/AFP/Getty Images
Lebanese protesters shout slogans during a demonstration against the ongoing trash crisis on August 25, 2015, in front of the seat of the government in central Beirut. Lebanon's cabinet ended an acrimonious meeting with no solution to the trash crisis that has sparked violent protests and calls for the government's resignation. AFP PHOTO / STR        (Photo credit should read -/AFP/Getty Images)

People in central Beirut protest Lebanon's ongoing trash crisis, Aug. 25. FP's David Kenner looks at the crisis here.

AFP/Getty Images
Indian worker Ibrar Ali drinks from a water hose after washing chemical dye from his hands at a fabric factory in Sanganer village on the outskirts of Jaipur in Rajasthan state on August 25, 2015. The factory produces wholesale rolls of fabric mainly for the domestic Indian clothing market, as well as for export, and its 15 workers earn 300 Indian rupees a day (around USD 4.5). The Indian textiles industry is estimated to be worth USD 108 billion, according to government figures, and is the country's second largest employer after agriculture. AFP PHOTO / ALEX OGLE        (Photo credit should read Alex Ogle/AFP/Getty Images)

A worker drinks from a hose after washing chemical dye from his hands at a fabric factory on the outskirts of Jaipur in India's Rajasthan state, Aug. 25.

Alex Ogle/AFP/Getty Images
TO GO WITH AFP STORY BY SANDRA LAFFONT 
Firefighters belonging to a special animal rescue unit of the Rhone region hold an iguana found during one of their interventions on August 25, 2015. AFP PHOTO / JEAN-PHILIPPE KSIAZEK        (Photo credit should read JEAN-PHILIPPE KSIAZEK/AFP/Getty Images)

Firefighters with a special animal unit in France's Rhone region hold an iguana they rescued, Aug. 25.

JEAN-PHILIPPE KSIAZEK/AFP/Getty Images
KOS, GREECE - AUGUST 28:  Overcome with exhaustion after swimming the final 50 yards of their journey, two migrants from Syria lay on the beach on the island of Kos after crossing a three mile stretch of the Aegean Sea in a small boat from Turkey August 28, 2015 in Kos, Greece. Migrants from the Middle East and North Africa continue to flood into Europe at a rate that marks the largest migration since World War II.  (Photo by Win McNamee/Getty Images)

Overcome with exhaustion, two migrants from Syria lie on the Greek island of Kos after crossing a three-mile stretch of the Aegean in a small boat from Turkey and swimming the final 50 yards to shore, Aug. 28.

Win McNamee/Getty Images
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