Over 1.5 million pilgrims begin Hajj amid regional tensions

Over 1.5 million pilgrims have commenced the Hajj, a significant religious undertaking. Pilgrims describe this spiritual and physical challenge as a transformative and deeply meaningful journey. The article does not specify the "when" or "where" beyond the context of the Hajj itself, nor does it detail the nature of the regional tensions mentioned in the title. The core information provided is the large number of pilgrims participating and their personal experiences of the Hajj.