Zac Poulton is a fell top assessor in the Lake District National Park. Every day in winter these assessors trek to the top of Helvellyn where they take readings and make reports on the weather conditions. This information is then combined with Met Office data to give the best possible conditions reports to visitors to the Lake District.

Niall Grimes hears all about it.

Fabrizio Scaglione takes host Niall Grimes for a hike along the South Downs Way, 100 miles from Winchester to Eastbourne. Along the way there is much to get you thinking, especially since the impact of time is ever present, from prehistory to the far future.

Rachael Crewesmith looks into Cwm Idwal, the glowering mountainous scoop in the Ogwen Valley. She sees Snowdon Lillies and steam from the Devil's kitchen.