Any latitude is round and parallel to each other. The length of latitude is the circumference of the equator multiplied by the cosine of latitude, so the longest latitude at the equator, the farther away from the equator, the shorter the circumference, and it will shrink to zero at the poles.
From the equator to the north and south at 90 degrees, they are called north latitude and south latitude respectively, and are represented by "N" and "S" respectively.
Extended data
It is said that the north latitude 18 degree is a beautiful belt inlaid with jewels on the earth, and it is the "golden latitude" for tourism and holiday, connecting beautiful holiday resorts such as Hawaii, Sanya and San Diego in series, which makes people fascinated.
A bay surrounded by coconut groves on three sides, Sanya has the reputation of "Oriental Hawaii", with the most beautiful coastal scenery, charming sea, white and bright beaches, bright sunshine, dense tropical rain forest and gluttonous seafood feast in Hainan Island. ......
"Climb Hongxialing, overlook Yalong Bay, overlook the Sea of China, and fly to the Pacific Ocean", standing on the observation deck, overlooking the beautiful scenery of Yalong Bay, the first bay in the world. There are green trees and red flowers near, and the mountains far away have ups and downs. There are clouds above, breezes below, blue waves below, and sea and sky are the same color.