Take stock of rare natural wonders on earth.

Take stock of rare natural wonders on earth.

1, eye of the Sahara

Also known as Richter structure, it is located in Mauritania, the southwest of sub-Saharan Africa, the largest desert in the world today. It is 48 kilometers in diameter and can be clearly seen in space.

2. Bell Pyramid Island

Bell Pyramid Island is the highest sea pillar in the world, with a height of 562 meters. It is located in the southeast of lord howe island in the Pacific Ocean. This is the remains of a shield volcano formed about 7 million years ago.

3. Ice Canyon

Located in Greenland, this ice canyon is eroded by the melting water of ice and snow. It looks very beautiful, and the depth is about 150 feet.

4. Curved forest Poland

This is a "winding forest", which is located outside the Nowe Czarnowo area in western Pomerania, Poland. As can be seen from the picture, the branches of pine trees in this forest are all curved.

5. Ice methane bubbles

Microorganisms at the bottom of the lake consume organic matter and produce methane bubbles. Bubbles rise or flow in the lake in summer and freeze in the lake in winter, which will produce the following picture. Remember not to smoke while watching.

6. Calcified Lake in Tanzania

Photographer Nick Bronte posted a series of creepy photos of lakes on the Internet, which were taken in lake natron, northern Tanzania, Africa. This lake also has a terrible name-Dead Soul Lake. Why is there such a horrible name? It turns animals into "stones" here.