4 sentences

1. 拉萨是西藏自治区的首府。

   Lā​sà shì Xī​zàng zì​zhì​qū de shǒu​fǔ.

   Lhasa is the capital of the Tibet Autonomous Region.

   Source: Dong Chinese Dictionary

2. 青藏铁路连接了西宁和拉萨。

   Qīng Zàng tiě​lù lián​jiē le Xī​níng hé Lā​sà.

   The Qinghai-Tibet Railway connects Xining and Lhasa.

   Source: Dong Chinese Dictionary

3. 拉萨是许多游客向往的旅游目的地。

   Lā​sà shì xǔ​duō yóu​kè xiàng​wǎng de lǚ​yóu mù​dì​dì.

   Lhasa is a travel destination that many tourists aspire to visit.

   Source: Dong Chinese Dictionary

4. 由于不适应高原上的稀薄空气，他刚到拉萨就感冒发烧了。

   yóu​yú bù shì​yìng gāo​yuán shàng de xī​bó kōng​qì, tā gāng dào Lā​sà jiù gǎn​mào fā​shāo le.

   Because he couldn't adjust to the thin air on the plateau, he caught a cold and developed a fever as soon as he arrived in Lhasa.

   Source: Dong Chinese Dictionary