The boiled water (100oC) is brought to the right temperature for your yeast to operate as 10 - 15oC. This temperature relies on the type of yeast and the kind of beer. It is an unbelievable example of sixties architecture. It is open up-air, with typical 60s-type furniture and decor. https://danteaxnjl.blogspothub.com/29285273/a-review-of-sai-gon