Series of shots of work going on in a stone quarry in the Outaouais. MSs of industrial conveyors. CS of conveyors in operation, carrying stone and raising dust. MLS of the structure of the machines and supporting iron and concrete columns. MLS of a "Caterpillar" all-terrain truck loaded with stone. ZOOM OUT to LONG SHOT of truck unloading its cargo at the bottom of the quarry. MLS of a dirt road; two trucks passing each other. CS of a pool of turquoise-coloured water in which the reflection of the rocks is seen. MLS of the pool at the bottom of the quarry. CU on a reef; TILT DOWN to the turquoise pool.