A female kendo fighter adjusts her helmet during the training in a gym in Fuzhou city, East China's Fujian province, July 31. Kendo, a modern Japanese martial art of sword-fighting originated with the samurai class of feudal Japan, has attracted increasing numbers of office workers in China in recent years who practice during their spare time to reduce stress, train the mind and body and cultivate character. [Photo/CFP]

Two kendo practitioners exercise in a gym in Fuzhou city, East China's Fujian province, July 31, 2012. [Photo/CFP]