Luoyang, a prefecture-level city in [[河南|河南|he2 nan2]] province

(idiom) literary works become popular and widely circulated; to sell like hotcakes. Literally meaning "paper has become expensive in Luoyang" because everyone is rushing to buy paper to copy a famous story.

another name for the China pink or rainbow pink, a herbaceous plant with colorful fringed petals used in traditional medicine

A sixth-century historical and geographic work by Yang Xuanzhi describing the Buddhist temples and architecture of Luoyang during the Northern Wei Dynasty

A semi-cylindrical iron tool with a long handle used in archaeology and grave robbing to extract soil samples from deep underground to detect buried structures or artifacts.

(idiom) used to describe a piece of writing or a book that is highly praised and becomes a best-seller; literally "paper is expensive in Luoyang," referring to an ancient story where people rushed to buy paper to copy a famous poem