ice sheet cracks over black rocks

navigate by keyword : abstract background because becomes black boulder broken celcius chill closeup cold colder cracked cracks crevasse crevice daytime debris degree dense europe expands expansion floating floats form fractured fragments freezes frosty frozen ice isolated lapland layer less lofoten nature norway norwegian outdoors overlapping overlaying polar rocks rounded rugged scandinavia seasons shallow sheet sheets slab small snow solid sphere surface surfaces textured than then water when white winter zoom

When colder than 4 degree celcius, water expands and becomes less dense then floats to the surface and freezes to form a layer of ice. At shallow water, the ice is broken into small sheets because the expansion