They are a major tourist attraction, but the future of the Llangollen Heritage railway is uncertain as volunteers call for financial help to save the line from the risk of closure. Meanwhile on a separate heritage line - plans to extend the Bala Lake Railway into the town took another step towards reality having raised a significant amount of funding. How the Wildlife Trust of South and West Wales hope to create a vast area for wildlife after they purchased a little bit of Celtic Rainforest in Pembrokeshire. Back from the brink of extinction - we listen out for the distinctive booming sound of the male bittern amid the dawn chorus at Newport Wetlands. And an "oasis of calm" - we step into the Cowbridge Physic Garden in the Vale of Glamorgan.