Thailand has diverse geography including mountains, plateaus, and rivers. The north contains mountains over 8,000 feet high and the northeast has the Khorat Plateau. Thailand also has beaches that attract many tourists. The population of Thailand is approximately 64 million people, most of whom are ethnically Thai. The culture incorporates influences from neighboring countries and features Thai cuisine with its blend of flavors. Thailand has a long history, with civilizations as early as 10,000 years ago, and was never colonized by European powers.