The photos were taken on February 10, 2013, from a Kyodo News helicopter at an altitude of 1,500 meters. For the first time, the government allowed the aerial photographs within 3 kilometers of Fukushima I Nuclear Power Plant as long as the altitude is 1,500 meters.
Sankei Shinbun has an article (2/10/2013) with these photographs:
Reactor 4 building, with the steel frame being built (upper left) to suspend the crane for the removal of spent fuel in the future. The blue keyhole shape is the reactor well. The Spent Fuel Pool is covered with steel sheet:
Reactors 1, 2, 3, 4, from the right. Reactor 3 building is flanked by platforms for the debris removal equipment, where human workers observe the work in tungsten vests. When TEPCO holds the plant tours for the media, the highest radiation is usually registered on the road outside the Reactor 3 turbine building on the ocean side (lower left), at over 1,000 microsieverts/hour (or 1 millisievert/hour):
Storage tanks for treated water taking up the available space at the plant:
At the end of the article, Sankei says that at about 3 kilometer south of the plant at an altitude of 500 meters the radiation level inside the helicopter was 2.5 microsieverts/hour, but the radiation level inside the 3-kilometer radius at an altitude of 1,500 meters hardly registered at all.