What kind of shopping center is this, in which it is impossible to go to the toilet, as in the neighboring GUM?! If you are walking for the purpose of shopping, and not "on wheels" (fast), then this is not normal. With such a variety of trading platforms and choices, spending a lot of time and money, you simply will not be able to relieve your physiological need.
When I visited for the first time, I did not understand how to get down from the 4th floor to the 3rd. It turns out to be only by the fire escape. It's inconvenient, because from the other floors you can go down the stairs on the opposite side of the escalator.
A good shopping center, a good store of household appliances and products on the ground floor, prices for household appliances are pleasing, there is a good store of mobile phones and gadgets with a good selection and prices, from the end of the building, a good inexpensive pharmacy, I have not been on the upper floors, but I know there is a fitness and gym