Yabla video uses of 空前

shān
zuò
chá
zhě
shù
十万 shíwàn
rén
空前 kōngqián
规模 guīmó
attracting 100,000 tea makers into the mountains.
石窟 shíkū
艺术 yìshù
shēng
活化 huóhuà
tuī
到了 dàole
空前 kōngqián
de
境地 jìngdì
Life in grotto art has been brought to unchartered land.