Photos: Ukraine's Crimea region votes

A woman leaves a voting booth in Sevastopol, Ukraine, on Sunday, March 16. Polls opened Sunday morning in a referendum in Ukraine's Crimea region, in which voters are to voice their wish to either join Russia or become an effectively independent state connected to Ukraine.

A woman leaves a voting booth in Sevastopol, Ukraine, on Sunday, March 16. Polls opened Sunday morning in a referendum in Ukraine's Crimea region, in which voters are to voice their wish to either join Russia or become an effectively independent state connected to Ukraine.