childhood dream of running the great wall. they ve trained for years to traverse what are actually a series of walls and battlements. it s a grueling undertaking doing something like this, something very difficult to build. strength of character. oh, this is a nice bit of the wall, isn t it? check that out. so spectacular. jimmy and tommy lindsey, they ve been linked to the great wall by theirfamily. so we ve been coming to the great wall from a very early age. me from the age of four and tommy from when he was zero. they say they call it the great wall, and that s an understatement. what you see at the tourist sites, it s only a tiny, tiny fraction, a fraction of it. in 1988, their father relied on the hospitality of locals for his own great wall run, which the bbc reported