Kazakhstan has a population of over 18 million people, with Kazakhs and Russians being the largest ethnic groups. Islam and Christianity are the main religions. The capital is Astana. The national flag features a golden sun with 32 rays above a steppe eagle. The national emblem depicts a yurt roof against a blue background with mythical horse wings and supports. Kazakhstan has over 15 ethnic groups and a diverse landscape, from forests to mountains to steppes. It has many rare plant and animal species.