1. 20m big circus tent 2. with tempered glass walls 3. used party, ... , Attached photo shows a tent erected in Mexico, 20m width big tent with 2pcs 1/2 20m Decagonal tent as ends ... , which is used for a party, stand along the lake, make the tent looks very elegant and ... workshop.8, Sizes available (the clear-span widths of the big party tent): 10m, 12m, 15m, 18m, 20m, 25m, 30m, 40m ...