Who says summer vacation is all about TV and smartphones? In Qingdao, East China's Shandong Province, an 8-year-old boy has built his own railway loop right inside his home. From planning the layout to laying the tracks, he turned his love of trains into a real hands-on project, even creating a route connecting the guest room and bedroom. (Video source: Douyin account-dype3bmsle7l; Compiled by interns Zhou Huiru and Liu Xinru)