'Rare and difficult to find' natural phenomena

Images of snow columns under the moon taken in central Chile. Snow columns are 1-6m high, formed in shallow valleys where the snow is deep and the sun is too little.

The sea ice of the Arctic and Antarctic. Because of the high salt content, the freezing points also depend on the salinity of the seawater.

The phenomenon of frost flowers, formed within a few hours in one night, often appears in submerged vegetation, when the temperature is not too cold and there is water around.

Freezing mountains in Bolivia. Formed in deep snow and not much sunlight.

The frozen lighthouse at St Joseph, Michigan. The ice formed by water flows up from Lake Michigan. This is called Rime ice and forms when the temperature drops below freezing and water freezes immediately.

Ice cave in Ross Island, Antarctica. Formed when the stone melted at the surface of the glacier. The patterns on the tunnel are formed when light reflects through the glacier and clarifies the separation of the crystals.

The phenomenon of the fake Sun due to the light refraction of the rocky crystals in the clouds above creates.

Field of snow flowers in the Ross Sea, Antarctica. This phenomenon is quite rare when cold water droplets are attached to points on the surface of ice sea.

Seabed glues in Sound McMurdo, Antarctica. This phenomenon forms quite quickly and the emulsion may be up to 2m long after about 8-10 hours.