The document provides information about the Hajj pilgrimage in Islam. It explains that Hajj is the fifth pillar of Islam that involves visiting the Kaaba in Mecca during the last month of the Islamic calendar. The Kaaba was originally built by the prophets Adam and Abraham and their son Ishmael, and it is the focal point for Muslim prayer. The document outlines the specific rituals performed during Hajj over several days, including putting on the ihram clothing, spending a day in Arafat and night in Muzdalifah for prayer, throwing stones at pillars in Mina, sacrificing an animal, and shaving or trimming hair before performing a circling walk and running between the hills