"Bang!"

the big tree, which was hugged by the two people, was blown to pieces by the wind created between Chu Nan's hands, and the leaves were falling!

seeing the destruction of big trees, Chu Nan's smile was as bright as spring. "To make the air pressure different between the two places and let the air flow, there are not only extremely hot and cold methods that can be used!"

Chu Nan took out the feather fan and waved it again. It was swift and fierce. "The pressure difference affects the power and power of the wind, and so on. What is the relationship between the wind speed and it?"...