A worker attempts to rescue his co-worker from drowning in an oil slick while attempting to fix an underwater pump during oil spill clean-up operations at Dalian's Port in China's Liaoning province July 20, 2010. REUTERS / Jiang He / Greenpeace

A worker attempts to rescue his co-worker from drowning in an oil slick while attempting to fix an underwater pump during oil spill clean-up operations at Dalian’s Port in China’s Liaoning province July 20, 2010. REUTERS/Jiang He/Greenpeace

Slideshow: Drowning in oil  A worker scoops spilled oil from the water at Dalian's Port in China's Liaoning province, posted July 29, 2010. REUTERS Dalian oil spill is all cleaned up