LAMS of the clock on the Peace Tower in Ottawa, ZOOM OUT to include the whole Centre Block as filmmaker Gerald Potterton's Superbus arrives. That colorful bus travelled across Canada in the making of the short film titled "Superbus" to be shown at Expo '70 in Osaka, Japan. Scene repeated, ZOOM IN on the bus. MSs of the Prime Minister of Canada Pierre Elliott Trudeau boarding the bus. MCS of a cameraman shooting the scene. MLS of the bus arriving, a crowd of youngsters standing by, Prime Minister Trudeau stepping out of the bus. Sequence on Trudeau being greeted by a crowd of youngsters, signing autographs. CUs of young faces. Shots of Gerald Potterton talking to his cameraman, setting up the shot. CU of Potterton's face, including incidental shots of the bus.