You want to park your caravan for a longer period of time . Why should you relieve the tires as much as possible and protect them from direct sunlight ?
Because the tires can age quickly from long-term exposure to sunlight
Because the tires can be permanently deformed by prolonged stress in the same place
Because the tires can dangerously lose their color through long-term exposure to sunlight
Because the tires quickly lose their tread in the same place due to prolonged stress