"Well, this Cybertron has trees. Or at least, this small part of this Cybertron does."

He gives them a small bow and will turn. "This way, friends, I'll show you to the Gateway."

And so he'd lead the way. The "Gateway" is a large ring of metal built on the edge of a clearing. He steps up to it and touches a few things on a computer panel and the ring comes alive with swirling blue-white light.

"This is set to take us to right outside the Hospital." If they pay attention, they may spot "Bulkhead" inscribed along one edge.