People pose for selfies in Zhengding ancient town in Shijiazhuang, north China's Hebei Province, Feb. 11, 2019. Zhengding launched restoration of the ancient town and took tourism as a pillar industry in recent years. (Xinhua/Liang Zidong)

　　People visit Zhengding ancient town in Shijiazhuang, north China's Hebei Province, Feb. 9, 2019. Zhengding launched restoration of the ancient town and took tourism as a pillar industry in recent years. (Xinhua/Zhang Haiqiang)

　　People perform in Zhengding ancient town in Shijiazhuang, north China's Hebei Province, Feb. 11, 2019. Zhengding launched restoration of the ancient town and took tourism as a pillar industry in recent years. (Xinhua/Liang Zidong)

　　People visit Zhengding ancient town in Shijiazhuang, north China's Hebei Province, Feb. 11, 2019. Zhengding launched restoration of the ancient town and took tourism as a pillar industry in recent years. (Xinhua/Zhang Xiaofeng)

　　People visit Zhengding ancient town in Shijiazhuang, north China's Hebei Province, Feb. 11, 2019. Zhengding launched restoration of the ancient town and took tourism as a pillar industry in recent years. (Xinhua/Liang Zidong)

　　Performers dance in Zhengding ancient town in Shijiazhuang, north China's Hebei Province, Feb. 11, 2019. Zhengding launched restoration of the ancient town and took tourism as a pillar industry in recent years. (Xinhua/Liang Zidong)

　　People visit Zhengding ancient town in Shijiazhuang, north China's Hebei Province, Feb. 9, 2019. Zhengding launched restoration of the ancient town and took tourism as a pillar industry in recent years. (Xinhua/Zhang Haiqiang)

　　People perform in Zhengding ancient town in Shijiazhuang, north China's Hebei Province, Feb. 11, 2019. Zhengding launched restoration of the ancient town and took tourism as a pillar industry in recent years. (Xinhua/Zhang Xiaofeng)

　　Performers dance in Zhengding ancient town in Shijiazhuang, north China's Hebei Province, Feb. 11, 2019. Zhengding launched restoration of the ancient town and took tourism as a pillar industry in recent years. (Xinhua/Liang Zidong)

　　People watch a folk performance in Zhengding ancient town in Shijiazhuang, north China's Hebei Province, Feb. 11, 2019. Zhengding launched restoration of the ancient town and took tourism as a pillar industry in recent years. (Xinhua/Zhang Xiaofeng)

　　People visit Zhengding ancient town in Shijiazhuang, north China's Hebei Province, Feb. 11, 2019. Zhengding launched restoration of the ancient town and took tourism as a pillar industry in recent years. (Xinhua/Zhang Xiaofeng)

　　People visit Zhengding ancient town in Shijiazhuang, north China's Hebei Province, Feb. 11, 2019. Zhengding launched restoration of the ancient town and took tourism as a pillar industry in recent years. (Xinhua/Zhang Xiaofeng)