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.
Experts theorize that the Pyramid of Khufu took approximately 20 to 25 years. It took 20-30 years, for 10,000 slaves to build the great pyramid of King Khufu. Perhaps the same number of workers and time to build the second pyramid. The third Giza pyramid took about 15 years and about 5,000 slaves. pink hats    about 20 years.