What is the name of a pole wrapped in a golden sail like a flagpole in a Tibetan temple?

This giant prayer flag named "Dachen" is called "Taqin". Buddha's prayer flag pole, a piece of wood about 10 meter long, covered with prayer flags printed with scriptures, Hada in various colors, and other most expensive ceremonies held for the Buddha (when erecting the temple courtyard or in front of the door, you can't take off the old prayer flags and hang them directly.

The establishment of "Tachin" is a very grand religious ceremony, which is related to peace and good weather in Tibetan belief.