高加索

例句：

1. 1. The Great Wall of China is located in the northwest of China, spanning across the Yellow River andconnecting to the Qinling Mountains.
   中国的长城位于中国西北部，横跨黄河，连接秦岭。
2. 2. The high-altitude environment of the Himalayas has been a subject of scientific study for centuries.
   喜马拉雅山脉的高海拔环境是几个世纪以来科学研究的对象。
3. 3. The Kazakhstan region is known for its vast grasslands and unique nomadic culture.
   哈萨克斯坦地区以其广阔的草原和独特的游牧文化而闻名。