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It may be caused by the fact that the ceiling is not well constructed when you are decorating, or the waterproofing is not in place.
If the cement layer is leaking, at least the third floor is not waterproofed. If it is a gusset, there are water droplets on the PVC ceiling, it may be condensation, and it is necessary to see whether there is water in the cement layer on the roof.
The sewer pipe between the first floor and the second floor is clogged, and the toilet flushed on a floor higher than the second floor will be flushed into the toilet tank on the second floor, and it will overflow if it is flushed too much.
Just look where the leak is? If the water seepage is on the wall on the third floor, it must be a problem on the third floor, and if it is their own wall seepage, it has nothing to do with you.
Dreaming of a leaking house means that something is wrong with some part of your body. Pay attention to your brain and don't get too tired.
Use a long pole to penetrate it, for example, a mop pole, a broom, and you're not afraid to get it down, just go downstairs and pick it up, good luck.