Rhan o’r Biblinell Nwy Naturiol Hylifedig (LNG)...
Y Biblinell Nwy Naturiol Hylifedig (LNG),...
Depo Piblinell Nwy Naturiol Hylifedig (LNG)...
Piblinell nwy naturiol yn ymestyn 316km o...
Fferm Wynt Dethenydd
Cwmdyli hydroelectric station showing pipeline
Interior view of Cwm Dyli Hydro Electric Power...
Gwaith Copr yr Hafod, Abertawe
Hafod Copper Works, Swansea
Shipping during the Great Storm of 25-26...