A set of photos records the changes of accesses to drinking water from wells, boreholes to tap water in Weifang, Shandong province. [Photo by Wang Bingfen/WeChat account: qilunvxing]

A photo capturing the cozy moment of a farmyard during harvest season in rural Shandong areas is on exhibition. [Photo by Yang Hong/WeChat account: qilunvxing]

A set of photo records the improvement of agricultural production methods in Shandong over the past 40 years is on exhibition. [Photo by Zhang Hailing/WeChat account: qilunvxing]