An alternative London walk, searching out all things rubbish-related. Guide Rosie Oliver will lead walkers on a two-hour, two-mile ramble from Mudchute on the Isle of Dogs to Greenwich, telling stories of castaway communities and the collection and transformation of the city's waste, past and present. Wear sturdy shoes. Meet at Mudchute DLR by the entrance to Platform 2. The walk takes place once or twice a month. Book online at www.dotmakertours.co.uk.