1. Fountain: a natural flow of ground water.
Ex.They also sell garden ornaments such as statues and fountains.
2. Padlock: a detachable lock; has a hinged shackle that can be passed through the staple of a hasp or the links in a chain and then snapped shut.
Ex. The box was securely padlocked and no one had the key.
3. I think that although the tourism industry can make the local GDP grow, for local residents, if tourists do not check information in advance, there may be cultural conflicts. In addition, personal hygiene habits cannot be controlled. If everyone follows the rules, I believe tourism is still a good industry to promote exchanges between people and the world.