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.
On the Giza Plateau, Khufu's builders oriented his pyramid almost perfectly north. The largest pyramid ever built, it incorporates about 2.3 million stone blocks, weighing an average of 2.5 to 15 tons each. It is estimated that the workers would have had to set a block every two and a half minutes.hufu, son of Snefru and second ruler of the 4th dynasty (time line) moved the royal necropolis to Giza, north of modern-day Cairo. According to ancient Greek historian Herodotus, Khufu (aka Cheops) enslaved his people to build his pyramid.