Russian emergency rescuers work at the scene of an accident at the Sayano-Shushenskaya hydroelectric power station in Cheryomushky on August 19, 2009. Rescuers insisted they had not given up hope for 62 workers still missing two days after a flood engulfed a Siberian hydroelectric power station in the latest calamity to hit the Russian energy industry. AFP PHOTO / ALEXANDER NEMENOV ==ALTERNATIVE CROP==