Use mobile phones and cameras — to record walks - Images of what you see, the landscape, plants, insects, animals, buildings and people.
Defnyddiwch ffonau symudol a chamerâu — i recordio teithiau cerdded - Delweddau o'r hyn a welwch, y dirwedd, planhigion, pryfed, anifeiliaid, adeiladau a phobl.