Marking 10 years of the Cloud Appreciation Society, this daylong celebration of the sky will teach you all you'll ever need to know about the gentle art of cloudspotting. There'll be inspirational talks, music from award-winning folk artist Lisa Knapp and some gloriously quirky side-shows: a cabinet of cloud-related curiosities, a camera obscura of the sky, 'clouds that look like things' and more. The Yplan discount ticket does not include lunch, but you are welcome to bring your own cold lunch/sandwich to the venue for eating during lunch break. Tea, coffee and water will be available.