乃堆拉山口

nǎi duī lā shān kǒu

Nathu La (Himalayan pass on the Silk Road between Tibet and the northeastern Indian state of Sikkim)

乃

nǎi

variant of 乃[nai3]

堆

duī

to pile up

拉

lā

to pull

山

shān

mountain; hill (CL:座[zuo4])

口

kǒu

mouth