10 green things to do Here are ten green places to visit to make your holiday footprint a little lighter. Longer cycling routes Discover the ten National Cycle Trails that offer great adventures on two wheels. Food foraging in Wales Fancy exploring the beauty of Wales whilst gathering food that’s fresh, tasty and free? Brecon Beacons by bus Follow the River Usk from Abergavenny, through Crickhowell, Tretower and Talybont-on-Usk. Pembrokeshire by bus The coastline from Cardigan to Fishguard includes some dramatic scenery and challenging walking.