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 Original Seven Wonders of the World The Great Pyramid of Giza Constructed around the year 2560 B.C., the great Pyramid at Giza is the only wonder that remains standing from the original list of seven. Egyptologists believe that the stunning monument, constructed from approximately 2 million blocks of stone and believed to have taken approximately 20 years and 20,000 men to complete, was built as a tomb for the fourth century Pharoah Khufu.