Cairo time

Where is the center of Cairo? (1x1)

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Zero point kilometer I thought in the day where is the center of Cairo? Or the zero point in this video, we will explain to you in detail how the zero center is determined in the cities, and we will let you know where is the center of Cairo, the center of Paris, the center of Madrid, and the center of Moscow, and why are the distances on the road signs always not set?