The photo taken on December 11, 2019 shows miniature sculptures of ancient buildings of Xi'an city made by Liang Huaide. Liang, a 80-year-old man from Xi'an, Shaanxi province, spent over 20 years making the 200:1 miniature complex building, which includes the city's landmarks like Giant Wild Goose Pagoda, the Bell Tower and Drum Tower. Made with mortise-tenon joint structures, Liang's work consists of 100,000 parts. [Photo/China News Service]

The photo taken on December 11, 2019 shows miniature sculptures of ancient buildings of Xi'an city made by Liang Huaide. Liang, a 80-year-old man from Xi'an, Shaanxi province, spent over 20 years making the 200:1 miniature complex building, which includes the city's landmarks like Giant Wild Goose Pagoda, the Bell Tower and Drum Tower. Made with mortise-tenon joint structures, Liang's work consists of 100,000 parts. [Photo/China News Service]

The photo taken on December 11, 2019 shows miniature sculptures of ancient buildings of Xi'an city made by Liang Huaide. Liang, a 80-year-old man from Xi'an, Shaanxi province, spent over 20 years making the 200:1 miniature complex building, which includes the city's landmarks like Giant Wild Goose Pagoda, the Bell Tower and Drum Tower. Made with mortise-tenon joint structures, Liang's work consists of 100,000 parts. [Photo/China News Service]

The photo taken on December 11, 2019 shows miniature sculptures of ancient buildings of Xi'an city made by Liang Huaide. Liang, a 80-year-old man from Xi'an, Shaanxi province, spent over 20 years making the 200:1 miniature complex building, which includes the city's landmarks like Giant Wild Goose Pagoda, the Bell Tower and Drum Tower. Made with mortise-tenon joint structures, Liang's work consists of 100,000 parts. [Photo/China News Service]

The photo taken on December 11, 2019 shows miniature sculptures of ancient buildings of Xi'an city made by Liang Huaide. Liang, a 80-year-old man from Xi'an, Shaanxi province, spent over 20 years making the 200:1 miniature complex building, which includes the city's landmarks like Giant Wild Goose Pagoda, the Bell Tower and Drum Tower. Made with mortise-tenon joint structures, Liang's work consists of 100,000 parts. [Photo/China News Service]