Switzerland's 15th-Century farmers and vintners had a dangerously creative solution to irrigating their mountainous land that's still in use today. Tacked on to a sheer rock face, a series of ...

The former tennis star takes a walk with husband Mel through the vineyard-covered valleys and apricot orchards of Valais We’re walking along the Bisse de Clavau, a 550-year-old irrigation channel ...

Water flows down the slopes, water disappears into the sand, water evaporates. In mountainous regions, people have always endeavoured to retain water and the sediment it carries, in order to promote ...