Guangzhou outdoor photography recruitment

A. Passing through the southern and northern regions along the way, the main food crops you see should be rice and wheat, so it is wrong;

B. It is correct that the precipitation is getting less and less along the way through the southern region and the northern region, and the slope of the roof of traditional houses is getting smaller and smaller;

C. Bananas are tropical fruits, and it is impossible to grow them in Beijing, so it is wrong;

D. Peanut belongs to temperate crops, mainly distributed in northern China, so it is not right.

Therefore, choose: B.