The new barriers going up around the white house remind me of demolition fencing. You know, the type used to keep any debris from say demolition charges from making it to any possible bystanders.
https://ny.curbed.com/2018/1/25/16929870/new-york-historic-buildings-demolition-photo-essay
see the green barriers around the old fish market. looks just like the ones around the white house, jersey barriers with solid pannels attached vertically.
Visiting 10 historic NYC buildings slated for demolition - Curbed NY
See photos of Landmark’s Sunshine Cinema, the Essex Street Market, and other notable structures that are due to be torn down before year’s end.
https://ny.curbed.com/2018/1/25/16929870/new-york-historic-buildings-demolition-photo-essay
