Officers from the French Office for Biodiversity (OFB), whose work is being called into question by politicians and farmers' unions, have gathered in front of the Aix-en-Provence sub-prefecture, as they have throughout France, to demand more "support" from the public authorities. "We've been attacked, we want recognition and we want an explanation," says Jean-Michel Foissy, CGT union representative. IMAGES AND SOUNDBITES