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