*Kansai International Airport: It took three years, 10,000 workers, and 80 ships to build an airport on a manmade island.
*Great Pyramid: It took more than 3,800 years and 2.3 million stone blocks to make this man made structure.
*Great Wall of China was constructed over a period of 2,000 years.
*International Space Station: It took over 100,000 people in 15 countries to put together the ISS.
*The Palm in Dubai: Workers had to transport rocks from 16 quarries throughout the UAE to make both islands.