Captain of a big ship was telling this interesting story: ''Once a saw two marines standing on the opposite sides of the ship. One was looking to the west and the other one to the east. And they saw each other very well.''
How can be that possible?
The marines were standing back to the edge of the ship so they were looking at each other. It does not matter where the ship is (of course it does not apply to the north and
South Pole).