3 sentences

1. 城市里到处都是高楼大厦。

   chéng​shì lǐ dào​chù dōu shì gāo​lóu dà​shà.

   The city is full of skyscrapers everywhere.

   Source: Dong Chinese Dictionary

2. 比起高楼大厦，我更喜欢住安静的平房。

   bǐ​qǐ gāo​lóu dà​shà, wǒ gèng xǐ​huan zhù ān​jìng de píng​fáng.

   I prefer living in a quiet single-story house rather than a high-rise building.

   Source: Dong Chinese Dictionary

3. 这座摩天大厦是这座城市的标志性建筑。

   zhè zuò mó​tiān dà​shà shì zhè zuò chéng​shì de biāo​zhì​xìng jiàn​zhù.

   This skyscraper is a landmark building of the city.

   Source: Dong Chinese Dictionary