1. As a gimmick, attract more customers.
Visitors must carry a bag of salt with them after visiting here. This mandatory provision adds a mysterious veil to Yanshan Mountain in Herringen, Germany. Curious customers are already scrambling to visit the local area. This momentum has given tourists a good return and made more tourists feel glad that you came. Some curious tourists go to Yanshan. For some tourists who like to travel and buy souvenirs, even if you don't send them, some tourists will take the initiative to buy them. It is better to take the initiative to force them to take a pack of salt, which will not only help tourists to be glad that you have come, Yanshan and Helingen, but also solve the problem that local salt can't solve.
2. Let tourists act as salt porters to protect the environment.
Although Yanshan Mountain is a famous local scenery, it is a problem for the local people, because the water mixed with potassium salt is brought into the soil after the rain, which makes the land seriously salinized, unable to cultivate, and unable to drink drinking water normally. In order to solve the headache of local people, the local government has built this place into a special tourist attraction, stipulating that tourists must bring a bag of salt after reading it. Tourists take away a bag of salt in this way, not only leaving their footprints and souvenirs in the scenic spot, but also acting as porters for the local people, solving problems that the local people can't solve. Although the spirit of "a foolish man and a mountain" is not valued by the world, with the promotion of the internet, there are an endless stream of people in such online celebrity attractions.