omiwatari

Sora News 24, an English-language aggregator of fun or interesting stories from Japan, featured this video under the headline "Experience the moment the local gods cross a frozen Lake Suwa." Krista Rogers writes,

When the lake’s surface freezes, pressure ridges form on the ice due to the presence of a natural hot spring beneath its waters. This awe-inspiring sight is known as omiwatari, which can be rendered into English along the lines of “gods’ crossing.” According to local lore, the ridges...