We also want to see a range of photographs covering all seasons, so please send us your photos of our sites in spring, summer autumn and winter.
Rydyn ni hefyd am weld amrywiaeth o ffotograffau sy’n cwmpasu’r holl dymhorau, felly anfonwch eich lluniau o’n safleoedd yn y gwanwyn, yr hydref, yr haf, a’r gaeaf atom.