1, Red Square Gum Shopping Mall. Gum shopping mall in the Red Square of the subway has various brand-name bags and costumes, such as lv Bulgari, Hermes and so on. People who go to Red Square will go in for a stroll. 2.cumu Shopping Center Metro Grand Theatre stands next to Red Square Grand Theatre, and its products are relatively high-end. If chewing gum is out of stock, you can consider visiting here.