A waitress serves a customer at a Western-style restaurant in Jiangbei District of southwest China's Chongqing Municipality, Aug. 16, 2019. More vigor has been poured into Chongqing's evening economy as local authorities improve zoning of night markets, scale up investment on night market branding and facilities, while encouraging consumer spending with night-time leisure activities. (Xinhua/Yin Dongxun)