Avatar
Science girl 1y ago

This tunnel boring machine breakthrough

https://t.co/ZLhyHsgvCG https://video.twimg.com/ext_tw_video/1784082736422199296/pu/vid/avc1/480x854/QKB4eF9ejn4gRtyK.mp4?tag=12

Reply to this note

Please Login to reply.

Discussion

No replies yet.