1.   The biggest is constructed of corrugated iron, topped with a rusty green roof.

2.   The cluster east of Canton is a place where pickups and sport-utility vehicles pass horse farms and subdivisions and chicken houses with rusty tin roofs.

3.   There are also a few bricks and a rusty tin roof panel, but mostly just sand.

4.   They found a lot of sand, a few bricks and a rusty tin roof panel.