Ask any travel agent, globe-trotter or gap-year student: The Golden Temple in Amritsar, north India, is both a site of pilgrimage for Sikhs and a must-see on any tourists' Indian itinerary.Sikh devotees gather to pay their obeisance at the holy Sikh shrine of Golden Temple on the birth anniversary of Guru Gobind Singh in Amritsar, India. REUTERS/Munish Sharma