Series of shots of work inside Biodome, including carpenters at work (0:13 - 2:05), CU of cement scarifier (2:08 - 2:57), two divers cleaning bottom of St. Lawrence basin, worker using hand-held sander (5:57 - 7:07), workers preparing beaver lake, giant net being strung over forests, CU of waterfall (21:05 - 21:19) and CUs of water lilies (21:20 - 22:15).