concertgoers in a crowded auditorium to the special concept for the evening's event: The shock of the sudden darkness silences the house, and the audience's attention is directed to the orchestra pit, where lights are fading on to reveal the madr...
Mobile aluminum choir risers folding Chorus Choir Stage for Conference performanceOutdoor event aluminum portable adjustable height intelligent square modular assembly AD stage truss platformEvents Heavy-duty Hand Crank Stand With Lift Tower Truss System For Hanging Soundcanopy tentlarge event tentsroyal ...