Noun + 之上
之上 (zhīshàng) is a literary preposition meaning "above," "on top of," or "upon." It is the classical equivalent of 上面, using the literary particle 之 in place of 的. It frequently appears in written or formal Chinese.
在云层之上,阳光格外明亮。
Zài yúncéng zhī shàng, yángguāng géwài míngliàng.
Above the clouds, the sunlight is exceptionally bright.
这座塔建在山顶之上。
Zhè zuò tǎ jiàn zài shāndǐng zhī shàng.
This tower is built on the mountaintop.
在法律之上,没有人可以例外。
Zài fǎlǜ zhī shàng, méi yǒu rén kěyǐ lìwài.
Above the law, no one can be an exception.