Swallows Cutting Through Willow Branches in Spring

Four Seasons is a set of special stamps issued by China Post on March 20, 2017 [...]. The full set consists of 4 stamps. The first stamp is titled Swallows Cutting Through Willow Branches in Spring. It depicts spring scenery: gentle breezes caress the air, willow branches sway on both riverbanks, a group of children fly kites, and swallows dart back and forth, brimming with vibrant life.

(Information taken from this site)