What is the name of the strange slope by the sea in Dalian, and what is its formation principle?

At present, there are three explanations about "strange slope": 1. Theory of magnetic field action. Some people think that there is a magnetic field or gravitational field in the "uphill direction" of the "strange slope", which is enough to attract vehicles or pedestrians to "go up", but this magnetic field or gravitational field has not been detected; 2. Gravity displacement theory. "Water flows upwards" has broken away from the general situation of classical mechanics, but it is entirely possible that one or several points in the gravity field are abnormally distributed for some reason, but if this is the case, its scope should not be limited to a certain section, but should be a regional scope; 3. Visual error theory. Due to the special topography and different visual reference objects of the "strange slope", the visual error of human eyes is caused. References:

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