Anti-Heathrow expansion activists walk through the 'Grow Heathrow' protest camp in the village of Sipson near to Heathrow Airport, west London Britain December 7, 2015. (Photo by Peter Nicholls/Reuters)





An anti-Heathrow expansion activist and a child walk through the 'Grow Heathrow' protest camp in the village of Sipson near to Heathrow Airport, west London Britain December 7, 2015. (Photo by Peter Nicholls/Reuters)





Road signs close on the approach road to Heathrow airport can be seen from the anti-Heathrow expansion activists', 'Grow Heathrow' protest camp, in the village of Sipson near to Heathrow Airport, west London Britain December 7, 2015. (Photo by Peter Nicholls/Reuters)





A painted mural at the 'Grow Heathrow' is seen at the protest camp in the village of Sipson near to Heathrow Airport, west London Britain December 7, 2015. (Photo by Peter Nicholls/Reuters)





Posters against Heathrow expansion hang at the 'Grow Heathrow' protest camp in the village of Sipson near to Heathrow Airport, west London Britain December 7, 2015. (Photo by Peter Nicholls/Reuters)





Anti-Heathrow expansion activists sit in the 'Grow Heathrow' protest camp in the village of Sipson near to Heathrow Airport, west London Britain December 7, 2015. (Photo by Peter Nicholls/Reuters)





Anti Heathrow expansion activists at the 'Grow Heathrow' protest camp in the village of Sipson near to Heathrow Airport, west London Britain December 7, 2015. (Photo by Peter Nicholls/Reuters)





Anti Heathrow expansion activists at the 'Grow Heathrow' protest camp in the village of Sipson near to Heathrow Airport, west London Britain December 7, 2015. (Photo by Peter Nicholls/Reuters)