The answer is both a welcoming building. No side wall construction, but will be used to spread the wings stretched out to chaikha birdie or low level rain to Sun. An example of this kind of building like Temple of WAT mahathat, Sukhothai city highway.
I have both the hall. No harmful side wall I will spread the wings or wing stretched out in the sun to low rainfall. Examples of buildings, such as Luang, Wat Mahathat, Sukhothai.
Answer is both building hall not build a side wall. But the pinion or the spread stretched out at a low level for sunglasses rain. Examples of buildings like this, such as the Grand Hall wat Mahathat, Sukhothai.