3 sentences

1. 该建筑物实际上有三个观景台。

   gāi jiàn​zhù​wù shí​jì​shang yǒu sān​ge guān​jǐng​tái.

   The building actually has three observation decks.

   Source: CCMatrix

2. 从地下室底部到观景台顶部有848个台阶。

   cóng dì​xià​shì dǐ​bù dào guān​jǐng​tái dǐng​bù yǒu848 ge tái​jiē.

   There are 848 steps from the bottom of the basement to the top of the observation deck.

   Source: CCMatrix

3. 日本最高的建筑在58层和60层设有观景台。

   rì​běn zuì​gāo de jiàn​zhù zài58 céng hé60 céng shè​yǒu guān​jǐng​tái.

   The tallest building in Japan has observation decks on the 58th and 60th floors.

   Source: CCMatrix