Heathrow Climate Camp

Climate change campaigners set up camp with planes thundering overhead every 55 seconds Photograph: Anthony Devlin/PA

Hundreds of extra officers have been drafted in to police the camp Photograph: Anthony Devlin/PA

Marquees are set up at the entrance to the camp Photograph: Anthony Devlin/PA

Police officers inspect the site Photograph: Fiona Hanson/PA

Children of environmentalist activists play and draw in a tent Photograph: Lefteris Pitarakis/AP

Lynne Davies (L) and Maxine Payne (R), residents of Sipson village Photograph: Andy Rain /EPA

An environmentalist cycles past a mock-up airplane Photograph: Lefteris Pitarakis/AP

An environmental protester wearing a Stop Wars t-shirt Photograph: Martin Argles/Guardian

Organic vegetables are delivered to the camp Photograph: Edmond Terakopian /AFP