Foam from the Sioux Falls in South Dakota looks like nature's bubble bath

Foam from the Sioux Falls, created by a partial thaw in South Dakota, looks like nature's bubble bath.

Foam from the Sioux Falls, created by a partial thaw in South Dakota, looks like nature's bubble bath.

Photographer Justin Frantzen, who filmed this footage, said: "When there is a partial thaw as has happened today a large amount of foam builds up in this one spot at the Sioux Falls."