The other day, I watched a documentary about US pilots going to war without having to be physically at the battleground. Not possible? Oh yes, what's not possible these days? United States is doing it. Is it any wonder that terrorist hideouts and such structures can be accurately destroyed by air missiles?
Indeed, the human mind is the ultimate computer. The satellite is a wonderful product of human ingenuity. North Korea is one country that most of us know next to nothing about. However, thanks to satellite imagery and the internet, we are now able to see North Korea's hidden world that rarely get seen by outsiders.
This image below (courtesy of BBC) shows an elite residential compound to the north of the capital Pyongyang. North Korea's founder, Kim Il-sung, lived there and it is believed that his son, Kim Jong-il - the country's current leader - has a residency there. As well as the large houses and well-tended gardens, there is a swimming pool in the upper left hand corner, complete with water slide.
The following image is of an ostrich farm. North Korea got into ostrich farming during the famine in the 1990s when between 500,000 and two million North Koreans are thought to have died from starvation.
Check out more of North Korea on bbc.com