Answer
Xining, the largest city on the Qinghai-Tibet Plateau, lies nestled amidst breathtaking landscapes. Encompassing an area of over 2.5 million square kilometers, the Qinghai-Tibet Plateau is the world's highest and most extensive plateau, often referred to as the "Roof of the World." Its vast expanse encompasses diverse ecosystems, from snow-capped mountains and glaciers to shimmering lakes and arid plains, all contributing to its unique and awe-inspiring natural beauty.