Evacuees from Kawauchi village wearing protective suits undergo a screening test for signs of nuclear radiation after returning from a brief trip back to their homes inside the restricted zone of a 20 km radius around the crippled Fukushima Daiichi Nuclear Power Plant, at a gymnasium in Kawauchi village, about 22 km (14 miles) from the plant in Fukushima prefecture May 10, 2011. [Photo/Agencies]