In this Monday, July 23, 2012 photo, Russian university professor Amina Shogenova teaches Russian to ethnic Circassian refugees from Syria in Nalchik, Russia, Monday, July 23, 2012. Some 340 ethnic Circassians from Syria came to Russia's Caucasus region this year. Czarist troops and Cossacks expelled hundreds of thousands of Circassians in the 1860s in what some historians call a genocide and an ethnic cleansing. (AP Photo/Misha Japaridze)