简介：This documentary looks back to last September, when David Walliams swam the length of the River Thames. Having previously completed swims across the English Channel and the Strait of Gibraltar, the comedian's latest feat proved to be his greatest tes
简介：This documentary looks back to last September, when David Walliams swam the length of the River Thames. Having previously completed swims across the English Channel and the Strait of Gibraltar, the comedian's latest feat proved to be his greatest tes