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
Dartford Crossing bridge piers were constructed in the Netherlands. Each caisson was designed to withstand a bridge strike of a ship weighing up to 65,000 tonnes and travelling up to The bridge deck is about high, and it took a team of around 56 to assemble its structure. During construction of the approach road, a World War II bomb was found in its path, which required closure of the entire crossing. The bridge was opened by Queen Elizabeth II on 30 October 1991. The total cost of construction was £120 million (£ in ), including £30 million (£ million in ) for