Réponse :
You can't ride a bike in a lake.
You can go hiking in the mountains.
You can't go rafting in the forest.
You can't watch stars in an ice cave.
You can go kayaking on a river.
You can't ride a horse in the ocean.
You can watch birds in the desert.
You can't go climbing in the sea.
You must stay on the trail.
You mustn't make selfies with wildlife.
Tourists mustn't block traffic.
Tourists mustn't make bird calls.
Tourists must carry bear spray.
Tourists must hike in groups.
You mustn't attract wildlife.
You mustn't park in the road.
You shouldn't wear sandals.
You should put on sunscreen.
You shouldn't take sodas.
You shouldn't take only your phone.
You should wear sunglasses.
You should take water.
You shouldn't whistle.