Ji Zhoutong introduces a miniature building to a visitor in Qingdao, East China's Shandong Province, Jan 14, 2018. Qingdao citizen Ji Zhoutong has been obsessed with making miniature buildings with shells for nearly 30 years. He has made many miniatures of Qingdao's old buildings by decorating little pieces of shells on wooden main bodies. [Photo/Xinhua]