Squeaky snow
When the temperature of snow is above -10°C, it melts slightly when you crush it by walking on it. At temperatures below -10°C, the ice crystals are crushed, which makes a squeaking sound.
Read morePhotos from Axalp
When the temperature of snow is above -10°C, it melts slightly when you crush it by walking on it. At temperatures below -10°C, the ice crystals are crushed, which makes a squeaking sound.
Read more