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In the first semifinal of the Eurovision Song Contest participants were Latvia, Montenegro, Iceland, Switzerland, Belgium, Denmark, Russia, Finland, Israel, Albania, Romania, Austria, Moldova, San Marino, Cyprus, Hungary, Ireland, and Greece.
Note that the second semi-final will be held May 24 and the final of Eurovision Song Contest - Saturday night live May 26.
The Eurovision competition run in the palace of Baku Crystal Hall, built on the shores of the Caspian Sea specifically for "Eurovision-2012". Baku Crystal Hall can accommodate 23 thousands spectators, another 16 000 spectators can watch a live broadcast on large TV screens.