Barometer | 17 September 2011
The comedian David Walliams performed the impressive feat of swimming 140 miles of the River Thames from Lechlade to Westminster. That is still a long way short of the swims undertaken by Martin Strel, a 56-year-old Slovenian. — After swimming the length of the Danube (1,866 miles), the Mississippi (2,360 miles) and the Yangtze (2,487