This picture taken on October 23, 2012 shows an ethnic Hmong hill tribe girl talking on a cell phone in the mountainous district of Mu Cang Chai, in northwestern Vietnam.
A signboard welcomes the upcoming summit between U.S. President Donald Trump and North Korean leader Kim Jong Un at a restaurant in Tu Liem District in Hanoi on Feb. 20. (Linh Pham/Getty Images)
Vietnam communist party chief Nguyen Phu Trong takes the presidential oath at the National Assembly hall in Hanoi on October 23, 2018.(/AFP/Getty Images)