leave before it closed
must
be careful
must
listen to the guide
must
ride a bike
mustn't
Eat and drink
Musn't
visit a museum with an adult
must
take photos
mustn't
walk slowly
must
throw litter in the bin
must
Touch
Mustn't
keep distance
must
leaning on walls
mustn't
Make noise
mustn't
bring a pet
mustn't
run
mustn't
enter staff room
mustn't
Buy ticket
must
use smartphone
mustn't
skateboard
mustn't