Zach twitched visibly at the sudden intrusion upon the very beach-like silence, and he jerked his head in the direction of the voice. Its speaker -- most definitely male -- was dressed...somewhat oddly. Not in clothes Zach could ever recall seeing. But then, he knew fashion was a strange and fickle thing -- some of the things Angela had come to work dressed in were beyond his comprehension.
What mattered now was that someone was actually there. And he seemed friendly. Of course Zach knew from Booth -- and Hodgins -- that no one was to be trusted, but that simply went against Zach's instincts.
"Hello," Zach responded, trying to keep his calm. The presence of another recognizable human being was obviously reassuring. "I'm not sure where we are."