8月20日，游客参观一块矿物标本。当日，内蒙古自治区最大的综合地质博物馆——鄂托克旗综合地质博物馆开馆。该博物馆位于旗府所在地乌兰镇，占地40000平方米，总投资1.8亿元，内设恐龙厅、地球厅、矿物厅和民俗厅等7个展厅，记录了鄂托克旗地质演化史以及自然环境变迁的重要信息。新华社记者 刘懿德 摄     On August 20,，Tourists visit a piece of mineral samples。On that day，Inner Mongolia autonomous region's largest comprehensive geological museum - etuoke banner comprehensive geological museum opening。The museum is located in the flag mansion is located small town，Covers an area of 40000 square meters，The total investment capital is 180 million yuan，Dinosaur hall inside、The earth hall、Mineral hall and folk office, and other seven exhibition hall，Record the etuoke banner geological evolution and natural environment change of important information。Xinhua news agency reporters LiuYiDe perturbation

8月20日，游客参观史前动物化石。新华社记者 刘懿德 摄 On August 20,，Visitors prehistoric animal fossils。Xinhua news agency reporters LiuYiDe perturbation