Complex sentence: In the Canadian Arctic (east coast) in Punuk and Thule culture (1000-1600 C.E.), I baleen was used to construct houses in place of wood as roof support for winter houses, with half of the building buried under the ground.
Split into simpler sentences: In the Canadian Arctic (east coast) in Punuk and Thule culture (1000-1600 C.E.), I baleen was used to construct houses. It was used in place of wood as roof support for winter houses, with half of the building buried under the ground.