A technician presents a piece of walnut sculpture in Houliuwuying Village of Yongqing Couty, north China`s Hebei Province, Oct. 29, 2012. Over 80 percent villagers in Houliuwuying make a living by walnut sculpture, which brings more than 30 million yuan (about 4.8 million U.S. dollars) of income to the village annually. (Xinhua/Wang Xiao)

　　Technicians carve on walnuts in Houliuwuying Village of Yongqing Couty, north China`s Hebei Province, Oct. 29, 2012. Over 80 percent villagers in Houliuwuying make a living by walnut sculpture, which brings more than 30 million yuan (about 4.8 million U.S. dollars) of income to the village annually. (Xinhua/Wang Xiao)

　　A technician presents a bracelet of walnut sculpture in Houliuwuying Village of Yongqing Couty, north China`s Hebei Province, Oct. 29, 2012. Over 80 percent villagers in Houliuwuying make a living by walnut sculpture, which brings more than 30 million yuan (about 4.8 million U.S. dollars) of income to the village annually. (Xinhua/Wang Xiao)

　　A technician presents walnut sculptures in Houliuwuying Village of Yongqing Couty, north China`s Hebei Province, Oct. 29, 2012. Over 80 percent villagers in Houliuwuying make a living by walnut sculpture, which brings more than 30 million yuan (about 4.8 million U.S. dollars) of income to the village annually. (Xinhua/Wang Xiao)