In St Ives, local artist Iona leads a landscape painting masterclass inspired by the scenery that captivated generations of artists. In Marazion, competitors take on the demanding Kernowman 70.3 Triathlon against the backdrop of St Michael's Mount. Families join a Wavehunters sea safari in search of Cornwall's rare breeding puffins, while surfing brothers Billy and Finn explore rock pools and share the county's remarkable marine wildlife online