The repeated annual freezing and thawing of permafrost soils can produce very interesting geometric features called patterned ground. These
Patterned ground - Wikipedia
post created by Satori Canton🧸
Original research/Glaciations - Wikiversity
Blake Black and Graphite Wallpaper 946032 by Cole and Son Wallpaper
The Climate of Norway
Patterned Ground - an overview
Permafrost and Periglacial Processes, Geoscience Journal
Permafrost and Periglacial Processes, Geoscience Journal
Formation and development of polygonal soils in the Atacama Desert
Patterned Grounds
Patterned grounds (polygons A and B) at Gondwana. Field observations
ESurf - The enigma of relict large sorted stone stripes in the tropical Ethiopian Highlands
PDF] Permafrost and patterned grounds in Finland - periglacial or something else