Wolves roam freely and can be observed behind glass barriers. (thetravelmagazine.net)
A thigh - high glass barrier keeps people a safe distance from «North, East, South, West,» but Dia: Beacon is allowing in visitors over 18, a few at a time. (timesunion.com)
Innovative viewing platforms allow visitors to get close to the giant relics, often without any glass barriers in between. (discovermagazine.com)