Building with (human) blood

1100 pounds of bricks isnt even a pick-up truck load. and it takes 2 years to get.. wow. this is gonna be a slow building process. be faster to drill and build underground. if mars has any type of frost or moisture why couldnt they just make concrete itself... who comes up with these ideas anyways.
 
1100 pounds of bricks isnt even a pick-up truck load. and it takes 2 years to get.. wow. this is gonna be a slow building process. be faster to drill and build underground. if mars has any type of frost or moisture why couldnt they just make concrete itself... who comes up with these ideas anyways.
Somebody in a back room with grant money to play with?
 
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