most auspicious days of the sikh calendar. pilgrims from all over the world come to worship, walk the perimeter, and bathe in the holy pool. all are welcome, of any faith or caste. to remove their shoes, wash their feet, cover their heads, and take part in a simple meal. ♪ ♪ [ speaking punjabi ] >> anthony: this is the langar. a free vegetarian meal served to many thousands of visitors from