If you have seen that the building collapsed on you in your dream: You should not lose your concentration on the issues that require concentration, you can get support from your superiors in this regard. To see that the building collapses on you in your dream indicates that you will experience the pain of losing one of your elders, to feel very lonely and weak, to have a difficult life and to be unhappy. To be afraid of falling down on the building in a dream means that you are tired of trying to get the reward of your efforts and an unhappy person.