The meaning of the phrase 'Bird's-eye view' is a general view of something as like as bird has of thing below while flying.
1. From the running train, we had a bird's-eye view of the Taj Mahal.
2. You can have a bird's-eye view of Delhi from the top of the Qutab Minar.
3. While the plane was hovering over Mumbai,the passengers tried to have a bird's-eye view of the city.