(230206) -- SHENZHEN, Feb. 6, 2023 (Xinhua) -- A customs officer guides a passenger arriving in Shenzhen from Hong Kong at the Lo Wu Control Point in Shenzhen, south China's Guangdong Province, Feb. 6, 2023. The Chinese mainland fully resumed normal travel with the Hong Kong and Macao special administrative regions (SARs) starting Monday, in what is expected to be a strong boost for the two regions' economic development. Starting Monday, the Lo Wu Control Point, the Lok Ma Chau/Huanggang Control Point and the Heung Yuen Wai/Liantang Control Point opened up, marking the full resumption of the functioning of all seven land boundary control points between Shenzhen and Hong Kong. (Xinhua/Liang Xu)