What is special about the tropics of cancer and Capricorn?

Answer 1

The sun is directly over the Tropic of Cancer at the moment of the June solstice, and it is directly over the Tropic of Capricorn at the moment of the December solstice. The area between those two latitudes, from 23.44° south latitude to 23.44° north latitude, is the only part of Earth where the sun can ever be directly overhead.

Answer 2

The Tropics of Cancer and Capricorn that make then special is the place on Earth in which the sun may been directly overhead.

Answer 3

Because it shows you how the equator passes through and which countries are hot and cold and stuff like that