You can immediately determine on the pictures below the difference between a developing and developed countries.
This is Doha’s skyline over looking the corniche six years ago. You’ll noticed several tall buildings scattered in the area and I can call that a developing nation. Look what happen at present time when all of those vacant slots are covered with skyscrapers. Use the buildings on both ends as your markers in the next photos and you will be amazed what a developed country is all about.