Children take part in a horse race at Mount Tambora Festival in Dompu, West Nusa Tenggara, Indonesia, April 7, 2015. Children horse race is a part of the Mount Tambora Festival marking the 200th year of its eruption, which is held from April 5 to April 11. The 1815 explosion of Mount Tambora buried the inhabitants of Sumbawa Island under searing ash, gas and rock, killing an estimated 88,000 people. (Xinhua/Dwi Aqilasya)
