Cleanup of an oil spill in China's port of Dalian has entered its seventh day, after a pipeline exploded on July 16, pouring an estimated 400,000 gallons into the Yellow Sea so far. A researcher from China's Environmental Science Research Institute said the resulting ecological damage could last a decade, and this is with a spill that's a mere fraction of the 94 million to 184 million gallons that have so far leaked into the Gulf of Mexico.(Flickr/Maven@China)