The small hill turned out to be an ancient burial mound 2,000 years old.
Examples (Wiktionary)
Mandarin
它的红瓦尖顶的白房屋散布在小山的斜坡上,一丛丛茁壮的栗树把山坡每一个细小的起伏都显示出来。
它的紅瓦尖頂的白房屋散佈在小山的斜坡上,一叢叢茁壯的慄樹把山坡每一個細小的起伏都顯示出來。
tā de hóng wǎ jiān dǐng de bái fáng wū sàn bù zài xiǎo shān de xié pō shàng , yī cóng cóng zhuó zhuàng de lì shù bǎ shān pō měi yī gè xì xiǎo de qǐ fú dōu xiǎn shì chū lái .
Its houses with their pointed roofs of red tiles spread on the slope of a hill, where clumps of sturdy chestnut trees mark the smallest twists and turns.