US President Donald Trump has landed in South Korea, with the North's nuclear ambitions high on his agenda. But what does that mean for those living in the South? Justin Webb travels to a village to find out how the locals cope with the prospect of war looming over their heads and asks the UK Ambassador to South Korea if US diplomacy is making an impact. (Image: Woman from the village of Geumpa-Ri, credit: Darren Wardrobe/BBC)