Our Geo Quiz today remains on an important story we touched on yesterday in the quiz.
The story is a major oil spill in the Black Sea.
It's turned into an environmental catastrophe, with half a million gallons of oil leaking out of a Russian oil tanker.
Five ships have been destroyed.
Three sailors are dead, and the fates of five more still unknown.
Dario Thuburn is in the Russian port city of Kavkaz, the answer to today's quiz:
Listen to the answer