The Hajj, one of Islam's five pillars, has officially begun in Mecca, Saudi Arabia, with pilgrims starting the annual journey. This significant religious event draws millions of Muslims worldwide.

<img alt="A bird&apos;s-eye view of people going around a square-shaped building at the Grand Mosque at night. It&apos;s taken with a slower shutterspeed to show movement." height="349" src="https://i.cbc.ca/ais/405cb97e-1d61-4f7a-8461-c9c877124096,1779805852091/full/max/0/default.jpg?im=Crop%2Crect%3D%280%2C0%2C6870%2C3864%29%3BResize%3D%28620%29" title="This photograph made with a slow shutter speed shows Muslim pilgrims circumambulating the Kaaba, Islam&apos;s holiest site at the Grand Mosque...