(Al Hartmann | The Salt Lake Tribune) Several thousand attending the Parliament of the World's Religions wearing head covering sit together as equals on the floor of the Salt Palace Convention Center on Oct. 16, 2019. Attendees were served food by members of the Sikh religious community at a traditional Langar, a 500-year-old Sikh religion tradition where vegetarian food is served to all for free, regardless of religion or class.