visitors use the steel staircase to access the pebble beach at birling gap the lowest point in the chalk cliffs of the seven sisters on the south coast of england - 地質年代表 個影片檔及 b 捲影像00:10
mas de 120 metros de altura sobre un abismo en el parque ordovician en china la plataforma de cristal suspendida mas larga del mundo maravilla a... - 地質年代表 個影片檔及 b 捲影像01:00
cambrian colliery disaster: 50th anniversary: memorial service; male voice choir singing sot - 地質年代表 個影片檔及 b 捲影像00:25
cambrian colliery disaster: 50th anniversary: memorial service; people applauding / memorial stone with flowers and colliery wheel with flower... - 地質年代表 個影片檔及 b 捲影像00:31
prince charles and camilla, duchess of cornwall visit llangoed hall to launch cambrian mountain initiative; sir bernard ashley speech sot/ cutaways... - 地質年代表 個影片檔及 b 捲影像03:22