Residents of Erdaogou Village in Lingwu City, Ningxia Hui Autonomous Region, watch Internet Protocol Television (IPTV) programs at home on Dec. 26. In recent years, northwest China's Yinchuan City, which governs Lingwu, has installed fiber communication and wireless networking into 25 villages of the city and affiliated areas including Yongning, Lingwu and Helan counties. [Photo: Xinhua]