(FILES) This file photo taken on September 28, 2015 at the nuclear power plant of Flamanville, northwestern France shows a general view of the two nuclear reactors "Flamanville 1" (foreground) and "Flamanville 2" (background). An explosion at Flamanville French nuclear plant occured, with no contamination risk, according official, AFP reported on February 9, 2017. / AFP PHOTO / CHARLY TRIBALLEAU