The Prince of Wales, president of World Wildlife Fund-UK (WWF-UK), poses with school children who are involved in the WWF-UK Green Ambassador scheme at Highgrove House, Doughton, in Tetbury. The children took part in a Green Ambassadors Summit and participated in a series of workshops – growing, art and letter writing – with an environmental theme. They also toured the Highgrove gardens to see the sustainability features of the estate.