Jessie Cave, Sadie Clayton and Ricky Martin search for Britain's Best Young Artist.It's the botanical round, and the three artists have to create a piece of art that perfectly captures the beauty of nature. To help them do so, Ricky takes them beekeeping and shows them some wet-and-dry watercolour techniques they can use to add detail to their work.They then return to the art studio to create their artworks in the given time. But who will Ricky and Sadie pick to go through to the next semi-final?