Mingming bought navel orange. Why is it a circle of friends?

This orange is called red navel orange, and it is also called blood orange in other places. Oranges with red flesh are navel oranges with red flesh. Red meat navel orange is round and oval, generally the navel is closed, the flesh is pink or big red, and the juice is still orange. The pulp is rich in red carotene. The price of red orange is 3 or 4 times higher than that of ordinary navel orange.