[[from
here]]
The first sensation Sasuke had when he pushed open the door was an oppressive, moist heat. This was probably the greenhouse Landel had spoken of earlier today, then.
Moving cautiously, he moved out of the door frame to allow Sai to enter, staying close to the slightly-cooler glass and away from the plants in general. If the animals here became monsters during night shift, who was to say about the plants?
There was what looked like a structure in the far corner -- perhaps it was like the shed in the rec field, and might contain something useful.