Volcanic lightning is seen at an eruption of Mount Sakurajima, in this photo taken from Tarumizu city, Kagoshima prefecture, southwestern Japan, in this photo taken by Kyodo February 5, 2016. A Japanese volcano about 50 km (30 miles) from a nuclear plant erupted on Friday, Japan’s Meteorological Agency said, sending fountains of lava into the night sky. (Mandatory credit REUTERS/Kyodo)