River Thames frost fairs had taken her there for ice-skating on the river Thames. "He got Stevie Wonder to sing for me under London bridge," she says. When Rory expresses surprise that Stevie Wonder sang in 1814, River cautions him that he must never tell the singer that he did. The "Doctor Who" episode "Thin Ice" is set during the final frost fair in 1814, and includes a reference to the elephant crossing stunt. River Thames frost fairs River Thames frost fairs were held on the tideway of the River Thames at London in some of the winters between the 17th century and early
River Thames of the river. These included Putney Bridge, Westminster Bridge, Datchet Bridge, Windsor Bridge and Sonning Bridge. Several central London road bridges were built in the 19th century, most conspicuously Tower Bridge, the only Bascule bridge on the river, designed to allow ocean-going ships to pass beneath it. The most recent road bridges are the bypasses at Isis Bridge and Marlow By-pass Bridge and the motorway bridges, most notably the two on the M25 route Queen Elizabeth II Bridge and M25 Runnymede Bridge. Railway development in the 19th century resulted in a spate of bridge building including Blackfriars Railway Bridge and