It's inauspicious for the main door facing tall building in front especially it's very near. It gives you a feeling of oppression and block good luck to you. Also, you are easy to get ill because of this.
To solve this, you can hung a Bagua Mirror from your main door and let it fact the tall building to block the bad effect.
To solve this, you can hung a Bagua Mirror from your main door and let it fact the tall building to block the bad effect.