Talling has made it his task to bring the English capital's lost rivers back to the surface, metaphorically at least.

BBC: In search of London's lost rivers

Local lore has it that Buddha looked at this location between the Mekong and Nam Khan rivers with its ring of lushly forested mountains and predicted that a great city would someday be built here.

FORBES: Asian Beauty

The result, in a mountain range characterised by soft, crumbling rock which desperately needs strong roots to hold it together, has been an increasing number of landslides, which block roads, railways and even rivers.

ECONOMIST: From the archive

It will also allow Bolivia to operate an annex of its navy school, which to date has been limited to rivers and Lake Titicaca.

BBC: Peru deal gives landlocked Bolivia coast for own port

You can just see from what has happened that it--there was a very powerful blaze that swept through here, even jumped across rivers, I would say, about between 30 and 70 yards.

NPR: In Portugal Another Season of Forest Fires

It has warned of flooding in places including Gloucester, Oxford, Abingdon and York and raised concerns about slow-responding rivers including the Thames, Trent and Severn.

BBC: UK floods: Rescue boat take villagers to buy supplies