Guidance on submitting geo-tagged photographs is available at Geotagged photo requirements: Growing for the Environment (window 1 and 3).
Mae canllawiau ar gyflwyno ffotograffau â geo-tag ar gael yn Gofynion ffotograffau â geotag: Tyfu er mwyn yr Amgylchedd (cyfnod ymgeisio 1 a 3).