Mysterious clouds roll over Switzerland Strange Sounds
Roll Cloud Formation. Web it's called a roll cloud, which is a type of arcus cloud—low, horizontal formations typically associated with.
Web it's called a roll cloud, which is a type of arcus cloud—low, horizontal formations typically associated with.
Web it's called a roll cloud, which is a type of arcus cloud—low, horizontal formations typically associated with. Web it's called a roll cloud, which is a type of arcus cloud—low, horizontal formations typically associated with.
