An aerial view shows pear trees boom in Dasang Village, Qixian county, North China’s Shanxi province on April 9. As with the approach of deep spring, it’s the best season to artificially pollinate pear trees, an effective way to boost high-quality and high yield of fruits. [Photo/Xinhua]

A farmer artifically pollinates pear trees in Dasang Village, Qixian county, North China’s Shanxi province on April 9. [Photo/Xinhua]

A farmer artifically pollinates pear trees in Dasang Village, Qixian county, North China’s Shanxi province on April 9. [Photo/Xinhua]