China and environmental observers said cleanup efforts on the country's largest reported oil spill were progressing Thursday, but the environmental and economic damage was clear.
The cleanup - marred by the drowning of a worker this week, his body coated in crude - continued over a 165 square mile (430 square kilometer) stretch of the Yellow Sea off the northeastern city of Dalian, one of China's major ports and strategic oil reserve sites. READ THE LATEST STORY

Firefighters walk near flames towering from a pipeline explosion at a Chinese port in Dalian in northern China's Liaoning province on Saturday, July 17, 2010. The oil pipeline at the busy Chinese port exploded, causing a massive fire that burned for 15 hours before being put out Saturday. (AP Photo)