The Future Observatory has introduced the Watergate water barrier, a dam that opens when needed, to intervene in an emergency way to protect from floods.
More in the next video:
Video .. A water barrier that opens automatically when necessary to protect from flooding
2020-01-19T05:31:00.345Z
The Future Observatory introduced the Watergate Barrier, a dam that opens when needed, to intervene in an emergency way to protect from floods. More in the following video:
Source: emara