A Chinese worker fixes pipes at a construction site in the capital Khartoum on February 2, 2012. Africa, where China has emerged as a major funder of infrastructure projects, is growing particularly attractive for migrant workers seeking to earn good money, but the work does not go without its share of risks, as was illustrated last week by the abduction of the road-builders in Sudan and the technicians and engineers working for a military-owned cement factory in Egypt. AFP PHOTO/ASHRAF SHAZLY (Photo credit should read ASHRAF SHAZLY/AFP/Getty Images)