Members of the public are being invited to explore part of a two-hundred-year-old canal that's being restored in mid Wales.
A lock in the Monmouthshire and Brecon Canal at Llangynidr has been drained while the work is carried out.
Our reporter Alexandra Lodge dons her wellies and takes a look at the construction taking place at this historic waterway.
More top news
Finance Secretary Mark Drakeford is to become the first Assembly Member to announce that he'll stand in the contest to replace Carwyn Jones
A wet and murky night to come, but at least it will remain mild!
Missed tonight's episode? Catch up on Monday's Wales at Six