Why is the cause of street trees sacred? What pains did the street trees endure? What places reflect the depth of street trees?

Residents need fresh air, pedestrians need shade, cities need sunshine, society needs sacred undertakings, and street trees are willing to stand in the dust of cities and make contributions to society and people. Compared with their companions in the virgin forest, they abandoned superior living conditions and were always shrouded in smoke and dust; Compared with people who enjoy nightlife in the city, they are lonely, lonely and miserable, and always worry about the pollution of the city, which is pain; It is profound that they are proud of suffering for the sacred cause.

Exactly ~!