Unique Bridge Design

Sett 1,166 gånger

Mänsklig validering

8.0
Tack, din röst har registrerats och kommer att visas snart.
Ja
Nej
Lagt till i dina profilbokmärken.
Videobeskrivning

Engineering has advanced so fast that everything is easy now. Watch how they designed a bridge that can open and close for boats to go underneath.

Tillagd den 08 Jun 2019
Kommentarer