“A worker walks past chicken eggs stored at a major eggs production factory in suburban Beijing, China, Friday, Oct. 31, 2008. Three more Chinese brands of eggs containing melamine were identified and a local government has acknowledged that officials knew about the contamination for a month before it was publicly disclosed. (AP Photo/Andy Wong) #”
Source of the picture: http://www.boston.com/bigpicture/2009/02/at_work.html#photo3; source of the whole article: http://www.boston.com/bigpicture/2009/02/at_work.html; “The Big Picture – News stories in Photographs, http://boston.com