Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Vostok (crater) - Vostok is a crater lying situated within the Margaritifer Sinus quadrangle (MC-19) region of the planet Mars that was reached by the rover Opportunity on sol 399 (March 8 2005). Vostok is located roughly 1200 meters south of Endurance in Meridiani Planum.
Natural Place