Two men walk on a street in Vyborg City in northwestern Russia May 26, 2012. (Xinhua/Lu Jinbo)

　　The old castle of Vyborg City is seen in northwestern Russia May 26, 2012. (Xinhua/Lu Jinbo)

　　Tourists visit the old castle of Vyborg City in northwestern Russia May 26, 2012. (Xinhua/Lu Jinbo)

　　A building is seen in Vyborg City in northwestern Russia May 26, 2012. (Xinhua/Lu Jinbo)