How about playing the pigeon system in Shishan in the shed?

This department is good at scaffolding.

Shishan pigeon line has strong disease resistance and can adapt to different environmental and climatic conditions. Shishan pigeon system played well in the competition, especially in long-distance competition and bad weather conditions. In addition, the flying speed and endurance of Shishan pigeon system are also excellent, and good results can be achieved. In a word, Shishan pigeon system has certain advantages in playing public shed.