The snow at the shed's metal top, irregular as the cliff of a glacier, looks ready to slide down.
Solid rock outcrops conspicuously only on the island of Rügen, where the remarkably irregular coastline includes chalk cliffs that reach a height of about 400 feet (120 metres).
Taiwania is shade-intolerant and regenerates in canopy gaps created mostly by uprooted trees, standing dead trees, or irregular topographies such as cliffs and steep slopes.
Approaching Positano, we could see its beautiful puzzle of stacked irregular buildings climbing the cliff as the full moon's reflection off the water cast a blue light up onto the town.
There are approximately 40,000 of these stone pillars, each typically with five to seven irregular sides, jutting out of the cliff faces as if they were steps creeping into the sea.
In some places the boundary is broad and irregular; in other places there are steep cliffs.
Cuba's approximately 3,570 miles (5,745 km) of irregular, picturesque coastline are characterized by many bays, sandy beaches, mangrove swamps, coral reefs, and rugged cliffs.
Most of the bay's irregular eastern shore is low and marshy, while the straighter western shore consists, for long distances, of cliffs.
Triangulated Irregular Network (TIN) models of the terrain surface are well known in Geographic Information System (GIS), but are unable to represent cliffs, caves or holes, which are required to represent complex buildings.
