73-year-old Zhang Gengzhi spent half a year carving out the landscape of Chongqing, the municipality in southwest China, on a foamed plastic board. /China News Service Photo

Measuring three meters in length and two meters in width, the model city shows 133 streets, 30 ports as well as 32 famous buildings based on the map of Chongqing in 1944. /China News Service Photo

Born in the city, the man had left his hometown at the age of 19, and worked more than four decades in northern part of China as a railway worker. /China News Service Photo

Now back in Chongqing, he shows his love to the city by making the work. /China News Service Photo