You are strictly forbidden from taking photographs inside the museum.
Please stay on the marked path.
I'm sure this goes unsaid, but remember to place all trash in the garbage bins.
Please pay attention to the time. We don't want to keep the driver waiting.
Classes are in session, so we need to keep our voices down.
The bus will be leaving at 5:00 pm sharp.
You'll have some free time to look around after lunch.
Please meet back here in one hour.