NASA mistook bodily fluids as Mars water source.

The following pictures show numerous Haversian canals, which are
unique signs of bones. Those canals contained vessels that flowed with
bodily fluids. They have been perfectly preserved for 2.5 billion
years beyond anyone's expectation.

Fig. 1: shows Haversian canals in the trench “Dodo-Goldilock”
http://www.wretch.cc/album/show.php?i=lin440315&b=20&f=1555243728&p=77

Fig. 2: shows Haversian canals in the trench “Snow White”
http://www.wretch.cc/album/show.php?i=lin440315&b=20&f=1555082227&p=0

Fig. 3: shows lymphoid tissues and lymph nodes in “Snow White”
http://www.wretch.cc/album/show.php?i=lin440315&b=20&f=1555082230&p=2

Fifty more definite signs of fossils on Mars:
http://www.wretch.cc/album/album.php?id=lin440315&book=20