
Drummers perform during a parade to celebrate International Labour day in Vladivostok, Russia, on May 1, 2015. About 35 thousand people participated in the celebration parade. (Xinhua/Zhu Yushu)

Drummers perform during a parade to celebrate International Labour day in Vladivostok, Russia, on May 1, 2015. About 35 thousand people participated in the celebration parade. (Xinhua/Zhu Yushu)