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
Controlled-access highway The Queen Elizabeth II Bridge / Dartford tunnel at London Orbital, is an example of this. London Oribital or the M25 is a motorway surrounding London, but at the last River Thames crossing before its mouth, motorway rules don't apply. (At this crossing the London Orbital is labeled A282 instead.) There are many differences between countries in their geography, economy, traffic growth, highway system size, degree of urbanization and motorization, etc.; all of which need to be taken into consideration when comparisons are made. According to some EU papers, safety progress on motorways is the result of several changes, including