měi nián / xià tiān / dōu / yǒu / tàn xiǎn duì / shēn rù / qiāng táng / wú rén qū / jìn xíng / kē xué / kǎo chá

每年夏天，都有探险队深入羌塘无人区进行科学考察。

Every summer, expedition teams venture deep into the Changtang no-man's land for scientific research.