The popularity of walking or ‘hiking,’ as it is termed, is amazingly on the increase. ‘Sabbath day journeys’ are undertaken by the youth of both sexes, armed with knapsacks. Starting from Waterloo to the Surrey hills and commons, where they walk, either in clubs or in private companies, or alone, all day, to return by train at night. So relates The Sphere in the September of 1930 in an article entitled ‘Knapsackery on the Surrey Hills.’ Regarded as the ‘Phenomenon of the …