Protective film covers large areas of a cornfield in Wuzhai county, North China's Shanxi province, creating an aerial view that looks like a free-form modern painting. The scene attracts summer tourists who enjoy nature's beauty. [Photo by Jiang Xinsheng/China Daily]

Protective film covers large areas of a cornfield in Wuzhai county, North China's Shanxi province, creating an aerial view that looks like a free-form modern painting. The scene attracts summer tourists who enjoy nature's beauty. [Photo by Jiang Xinsheng/China Daily]