1. 20m big circus tent 2. with tempered glass walls 3. used party, wedding ... 20m tent 1, 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 ... (the clear-span widths of the big party tent): 10m, 12m, 15m, 18m, 20m, 25m, 30m, 40m, 50m, 60m. 20m Big Circus Tent