The Thames Barge Driving Race under oars' or "sweeps" and ride tidal river currents alone, up river. The event commemorates the skills of lightermen who moved freight this way along the Thames up until the 1930s and in a wider context it encourages ongoing interest in moving cargo via water and as a way to recruit younger people back into river trades.The teams are normally made up of employees of Thames Lighterage companies, Port of London Authority or are sponsored by local businesses. The best places to view the race are Tower Bridge, London Bridge and Westminster Bridge. During the 1970s Britain suffered a major
Transport in London located in Central London and east London's Docklands. Since the 1960s, containerisation has led to almost all of the port's activities moving further downstream and the ceasing of port-related activity at the extensive network of docks (which were built in the 19th and early 20th centuries). A purpose-built container port at Tilbury in Essex, around ten kilometres outside the Greater London boundary, is today the busiest part of the port, though activity remains along stretches of the Thames, mainly downstream of the Thames Barrier. Fifty riverside wharfs have been safeguarded from development in Greater London. Today the port is the