Steel RiverSteve Nicholls makes an epic journey along the River Tees in north east England, from the industrial complexes near its estuary to its source high in the Pennine Hills. The Tees estuary was where Steves life long passion for nature was born, launching a long career as a documentary maker. As he travels the length of the eighty mile river, he uses his years of travelling the world and his work on nature films to place the fauna and flora he encounters