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.
And it was anciently open to visitors from Greece and Rome. The Great Pyramid was built, according to Herodotus, over a period of about 20 years in the 3 months of each year during which the Nile overflowed and the people were idle.