When you think of great building projects, what typically comes to mind? We might think of great buildings that were built centuries ago that still stand today. The Kremlin was built over 500 years and was an architectural marvel of its day. The Great Wall of China as we know it today was built in the 15th and 16th centuries and is over 4,000 miles long. The main construction of the Taj Mahal took 20,000 workers 11 years to build and the whole project spanned 22 years. Sometimes th…