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 oldest of the Seven Wonders of the Ancient World and the only one that survives today, the Great Pyramid of Giza was constructed as a tomb for the Egyptian pharaoh Khufu. The precise details regarding the pyramidâs construction remain a mystery, as no written records have been found, but a number of estimates place its completion at sometime between 2560 B.C. and 2540 B.C.