SCHOOL TIME

US teens build sustainable house

作者：21ST-MCT

看美国中学生巧夺天工，建可持续利用环保小木屋。

ONE morning during summer, about 50 US middle school students in yellow hard hats came to a school parking lot. Some carried lumber (木材), others worked together on the railing (栏杆). They were trying to build a tiny house.

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