Against the backdrop of the Kaaba and the bustling Grand Mosque, young pilgrims from across the globe are redefining the traditional perception of hajj as a journey for older people. David Doyle reports. EXCLUSIVE: Guardiola dreams of World Cup glory but has no plans to leave City

Millions of Muslims have gathered in Mecca, marking the beginning of the five-day Hajj pilgrimage—the world's largest annual religious gathering. It is year 1446 in the Islamic calendar. Pilgrims are expected to retrace the steps of the Prophet Muhammad,

Tens of thousands of Muslim pilgrims clambered up rocks and nestled between boulders on Thursday as they embarked on a day of worship under a scorching sun at the Hajj in Saudi Arabia.