I can't confirm this notice of high engineering: Aaron Kreier, 14, from Switzeland, likes to build boats out of old farm equipment. He built a submarine out of a pig trough. he tested it on lake Constance and made a succeful 15 minutes voyage. "I'll use it to explore underwater", he says.
Do yo have some notice about it?.
Nacho Padró
I Love English number 186
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