Visitors on the upper deck above the TROX AirLounge sign

Photo: Mariusz Młynarczyk / CloudAir.tech

Visitors talk at the railing of the upper level of the TROX stand, above a sign reading "TROX AirLounge" in neon script. Behind them are white air handling units and spiral ducts running beneath the hall trusses. An orange perforated textile duct hangs below the deck.