When the North Pole leans toward the sun, the rays of the sun strike the Northern Hemisphere in a more direct and concentrated manner, bringing summer to the northern half of the earth.
(the North Pole; leans; toward the sun, the rays of the sun strike the Northern Hemisphere in a more direct and concentrated manner)
the North Pole
leans
toward the sun, the rays of the sun strike the Northern Hemisphere in a more direct and concentrated manner