What do greening workers do? Are they tired?

Greeners are tired of watering, fertilizing and mowing lawns. People who do landscaping work hard. They need to water in summer drought, fertilize in spring and mow the lawn. In autumn, they need to trim and cut leaves. Usually, they need to control pests and diseases. There are dead branches and leaves to deal with, and trees need pruning and shaping. This is a hard work that requires physical strength, skill and hard work. Need good endurance and artistic accomplishment. This is a hard work that combines mental and physical strength!