Laithai carved on the door at temple. Generality in Thailand, any kind of temple, art decorated in Buddhist church, temple pavillion, temple hall, monk's house etc. created with money donated by people to hire artist. They are public domain or treasure of Buddhism, no restrict in copy or use, noname of artist appear (but, if there is artist name, it only for tell who is the artist of work, not for copyright). This photo is taken under these conditions.