Hundreds of human bones have emerged from the River Thames in the last two centuries, most of them prehistoric.

Researchers have found dozens of human bones on the banks of the iconic river, many of them thousands of years old.

The River Thames looks mighty and awe-inspiring as it flows through London, but at the start, it's practically just a marsh. So reveals Ed Pratt, an adventurer who waded, swam and kayaked over 200 ...