Image credits: dailyoverview
If you thought it was cement, look more closely. Delhi, India, has approximately 25 million residents. The neighborhoods of Santosh Park and Uttam Nagar (both shown in the picture) are home to some of the city's poorest people and are very densely populated. This picture belongs to an Instagram channel called dailyoverview which constantly shows their 424,000 followers just how beautiful Earth is from above.