Man running a teahouse
Author: Zijie Gong (CN)
Location: Shuangliu town,Chengdu city,Sichuan province
Description: In an old teahouse in Western China, an old man is making calculations on an abacus. This teahouse has a story of more than 100 years and the abacus is one of the oldest computing tools in China, dating back more than a millennium.