This poem about sultry weather not only explains

The clouds are stacked and the flames are bright green. -Monk Luan

2.

It's hot in the south and long in the north. -Bai Juyi

3.

It's hot in midsummer, and the temples suddenly frost. Cao Ye

4.

Heat can't live unless it is washed down. Zhang Xiaobiao

5.

When it is hot and humid, the vegetation has no crystal light. -Gao Shi