31348517theater elementsPT2026-03-30 20:34:02UF31348518elements, theaterNDUF31348519theater elementNDBT31322816architectural elements by building typePTBT31417477theatersPTNT31378555parasceniaPTNT31378561proscenium wallsPTNT31378564[scaenae and scaenae components]PTNT31378565proscenium archesPTNT31378568stage floorsPTNT31378572trapsPTNT31378574gridironsPTNT31378577flatsPTNT31378579periaktoiPTNT31323720fly towersPT