Many masons work on the walls, stacking the blocks so the rods come up through the holes.

An army of sticks with orange hats, the steel rods let you know where the walls will be.

Anyone need to use the potty?

Here the walls are up, the steel beams are in place, and many of the roof supports are installed.

Making an opening for a doorway is hard work. Many blocks have to be cut to size and mortared together in different ways.

The first layer of roofing is in place here.

Brrr! Plastic helps keep the cold winds from blowing through the building, so people can work inside without freezing.