Nine spectacles on Mars

As the most similar planet to the Earth in the solar system, the Mars always attracts people's attentions. When people were exploring the Mars, they have discovered many unexplained spectacles. The following are nine spectacles that were captured by probes.

A gorilla on the Mars photed by Mars Rover Spirit.

Human faces on the Mars captured by probe "Viking 1".

A woman photed by Mars Rover Spirit in 2008. 

Trees on the Mars.

A tinted photo taken by a Mars probe shows the face of a pop 

star.

A smiling face on the Mars.

A mysterious gate on the Mars. 

A tinted photo (L) shows a pair of tropical birds on the Mars. 

This photo taken in 2008 shows a timber on the Mars.