MOSCOW, September 25. /TASS/. The Officers of a Russia's non-governmental organization have blocked the entrance to the exhibition of the U.S. photographer Jock Sturges in Moscow in a protest against promoting his works, the organizations head, and chair of the Public Chambers defense commission, Anton Tsvetkov said on Sunday. "If considered in Russia, the works by Jock Sturges could be qualified as a crime." "Right, he could have become famous by good pictures, but remember, this man used to participate in crimes.