Mayors and representatives from cities like Germany's Regensburg, Greece's Piraeus and Japan's Shimonoseki gathered in Qingdao City, east China's Shandong Province, on Saturday to discuss shared opportunities in cultural tourism and sister city cooperation.

The event focused on topics such as strengthening maritime tourism, revitalizing historic city centers and promoting international tourism and cultural exchange, aiming to foster dialogue and collaboration across culture, tourism, and industry.