noun
work of nature; natural masterpiece
Refers to something exquisitely crafted by nature, often used for breathtaking landscapes or natural phenomena. Literary and somewhat poetic.
この渓谷はまさに天工の美だ。
This valley is truly a masterpiece of nature.
天工の造形に息をのむ。
I am breathless at the handiwork of nature.
Compound of 天 (heaven, nature) and 工 (work, craftsmanship). The exact historical derivation is uncertain, but the word has been used in classical Chinese and Japanese to praise nature's artistry.