One morning in 1995 Tara Bariana walked out of his house in Walsall and didn’t stop walking until he had reached the village in the Punjab where he was born and grew up. Ten thousand miles in 19 months is a lot of footwork. What made him do it?

‘I came here in 1960 with my mother and two sisters,’ he told Clare Balding in Ramblings (Saturday), her Radio 4 programme dedicated to those who love nothing better than to tramp for miles with no other objective in mind than the reassuring pleasure of putting one foot in front of the...