They have reintroduced plains bison to the vast expanses of grass. This includes the vast expanses of ocean and remote land areas. We walked through the rain over dark expanses of muddy meadows and fields. For example, vast expanses of Manchurian forest were chopped down. The North Saskatchewan River valley parks system; the largest expanses of urban parkland in Canada. Those in Dorset were situated near expanses of fertile land. Unique habitats are found on alvars, extremely level expanses of limestone with thin soil mantles. However, these hills are separated by large expanses of lower flat land. Greenland and Patagonia also have huge expanses of continental glaciers. The vast expanses of deep ocean (anything below ) cover about 66% of Earth's surface. It looks like a paler blue patch surrounded by huge expanses of the deepest ocean. The design incorporates broad expanses of windows and balconies which reach out into their surroundings. This is mainly due to its expanses of industrial lands along the various expressways. It is one of the largest expanses of sand in the world. This made possible the expanses of stained glass that were a characteristic of Gothic cathedrals.