Bangladeshi workers unload sand and gravel used for construction purpose from a ferry at the Buriganga River on the eve of May Day in Dhaka, Bangladesh, Wednesday, April 30, 2014. The workers earn ... more 
Bangladeshi workers unload sand and gravel used for construction purpose from a ferry at the Buriganga River on the eve of May Day in Dhaka, Bangladesh, Wednesday, April 30, 2014. The workers earn less than US$ 3 a day. (AP Photo/A.M. Ahad) less 
1 / 1
Associated Press | Photo By A.M. Ahad
Wed, Apr 30, 2014 4:33 AM EDT