People visit the Olympic Sailing Center in Qingdao, east China's Shandong Province, on June 29, 2019. After the reconstruction of the leisure street in Olympic Sailing Center, visitors have opportunities to experience more leisure facilities, including a night market for cultural and creative products, music bars and so on. (Photos: Xinhua)

People visit the Olympic Sailing Center in Qingdao, east China's Shandong Province, on June 29, 2019. After the reconstruction of the leisure street in Olympic Sailing Center, visitors have opportunities to experience more leisure facilities, including a night market for cultural and creative products, music bars and so on.

A couple take photos at the Olympic Sailing Center in Qingdao, east China's Shandong Province, on June 29, 2019. After the reconstruction of the leisure street in Olympic Sailing Center, visitors have opportunities to experience more leisure facilities, including a night market for cultural and creative products, music bars and so on.

People visit the Olympic Sailing Center in Qingdao, east China's Shandong Province, on June 29, 2019. After the reconstruction of the leisure street in Olympic Sailing Center, visitors have opportunities to experience more leisure facilities, including a night market for cultural and creative products, music bars and so on.

People visit the Olympic Sailing Center in Qingdao, east China's Shandong Province, on June 29, 2019. After the reconstruction of the leisure street in Olympic Sailing Center, visitors have opportunities to experience more leisure facilities, including a night market for cultural and creative products, music bars and so on.

Artists play the violin at the Olympic Sailing Center in Qingdao, east China's Shandong Province, on June 29, 2019. After the reconstruction of the leisure street in Olympic Sailing Center, visitors have opportunities to experience more leisure facilities, including a night market for cultural and creative products, music bars and so on.