UFO-type air pollution treatment plant

Name :
CHENG YUNQI
COUNTRY :
China
AGE :
8
YEAR :
2020
PRIZE :
Silver Prize
COMMENTARY :
This is an air pollution treatment plant. It is suspended in the air like a flying saucer. Factories can inhale polluted air. After treatment, it becomes fresh air and discharged.
UFO-type air pollution treatment plant