Expo 67: CS of hands of operators in control tower manipulating controls. PAN out to view through window of artificial lake with model ships moving. MCS of operators' faces, TILT DOWN to their hands manipulating control. Over operators shoulders shot, artificial lake with model ships moving. Over shoulders PAN of spectators watching model ships. MS side view of spectators sitting in stand, watching model ships. MS of model icebreaker "Louis Saint-Laurent" leaving a model lighthouse. Head on MS of spectators in stand watching models of ships. ZOOM OUT from MCS of model of icebreaker "Louis Saint-Laurent" moored, spectators in stand looking on. HAMS of the model "Louis Saint-Laurent" plowing through simulated ice floes, laker in background. HAMS of the laker moving through ice floes.