The “NLO (UFO)” magazine, issue 23, 2001. In the article by Igor Cherkasov “Face on Mars” there is a photo called “Heart on Mars”. This photo was taken by the Mars Global Server Station in 2001 in the polar region of the red planet. The formation was relatively small – only 255 m wide. Answer of the Center: We asked the inhabitants of Mars to give us information about this formation. The answer is: “Any natural formation can be compared to terrestrial measures with a terrestrial structure.”