This year sees the 30th Anniversary of the designation of the World Heritage Site in Canterbury. There will be a number of events to celebrate this important milestone in the history of the city. In preparation for the celebrations the Canterbury Society is organising a litter pick around the World Heritage Site on Sunday 28th April. The litter pick will be one of many organised for the Great British Spring Clean. Litter picking equipment and refreshments will be provided. Meet at 2.00 pm at the Longport Car Park on Sunday 28 April.