俄羅斯, or Russia, is the largest country in the world, spanning Eastern Europe and northern Asia. It covers over 17 million square kilometers and has a diverse range of landscapes, including mountains, forests, and tundra. The capital city is 莫斯科, known for its rich history and cultural landmarks. The country has a population of approximately 144 million people, making it one of the most populous nations. 俄羅斯 has a rich cultural heritage, with contributions to literature, music, and art from famous figures like 托爾斯泰 and 柴可夫斯基. Its political system is a federal semi-presidential republic.