Confirmed locations are:

• Kingly Court, off Carnaby Street, Westminster
• Liverpool Street Station, near the Underground entrance
• Liverpool Street Station, near Bishopsgate exit
• Heart of Valentines Park, Redbridge
• Bexleyheath Town Centre, Bexley
• North Acton Station Square in Ealing
• Windrush Square, Brixton
• Ladywell fields, Lewisham
• Beckenham Place Park, Lewisham
• Horniman Museum and Gardens, Lewisham
• Paddington Recreation Ground, Westminster
• Acton park, near the new skate park, Ealing,
• Guy’s Hospital, Southwark
• St Thomas’ Hospital, Lambeth
• Swiss Cottage Open Space, Camden
• Camberwell Green, Southwark
• Nisbett Walk, Sidcup Town Centre in Bexley
• The Natural History Museum, RB Kensington and Chelsea
• South St Alban’s Street, St James (off Haymarket)
• The London School of Economics and Political Science