WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms dizziness, fatigue and shortness of breath including Heart rhythm disorder, Anemia, and Medication reaction or side-effect. There are 119 conditions associated with dizziness, fatigue and shortness of breath.
According to ''National Geographic'' it took an estimated 20,000 to 30,000 workers to build the Pyramids at Giza over a period of 80 years from about 2570 to 2490 B.C. and slaves were not used.
The tallest pyramid in the world is the Great Pyramid of Giza, which stands at 146.5 meters or 480.6 feet high. It took 2.3 million limestone blocks and 500,000 tons of mortar to construct it. The sides of the square base are 757 feet long, or 230.7 meters.