The “360 Mandala” Tower, which is being built to add a unique look to Ulaanbaatar, is considered to be one of the tallest apartment buildings under construction to date. Most importantly, it is a big step forward in the construction industry due to the complexity related to its leaf shape. We have interviewed Tulga. G, Chief Engineer of “Tulga Project” LLC, about the calculation of the structure of the “360 Mandala Tower”.