A man is attempting to navigate the length of the Thames from source to sea to raise awareness on the health of our rivers.
Ed Pratt is fundraising for The Rivers Trust and has either swam, kayaked or paddled on his journey so far.
Mr Pratt, who has previously completed a 18,000-mile unicycle challenge, set off on day 16 from Teddington lock this morning.
You can follow his journey and donate through his Just Giving fundraiser: https://www.justgiving.com/page/edprattriver