This long exposure photo taken before dawn on Oct. 14, 2014 shows sparks of lightning, scorching lava flow and giant ash clouds released from the crater during the eruption of Mount Sinabung volcano as seen from Karo district located in Sumatra island, Indonesia. In February, Sinabung's eruption killed about 17 people and forced more than 33,000 others to flee their homes.(Xinhua/Tanto H.)