© Asakaze, a Japanese research vessel chartered by Greenpeace Japan, conducting radiation survey work off the shore of Fukushima Prefecture. (© Christian Åslund / Greenpeace)
© Greenpeace nuclear campaigners Jan Vande Putte and Florian Kasser mounting equipment onto a remotely operated vehicle. (© Christian Åslund / Greenpeace)
© Mylène Josset, a radioactivity measurement specialist from the independent French laboratory ACRO, conducting radiation survey work. (© Christian Åslund / Greenpeace)
© A remotely operated vehicle (ROV) on board Asakaze, a Japanese research vessel chartered by Greenpeace Japan. (© Christian Åslund / Greenpeace)
© Greenpeace nuclear expert Jan van de Putte handling the gamma spectroscope. (© Cornelia Deppe-Burghardt / Greenpeace )