varanasi, one of the world's oldest continuously inhabited cities,

varanasi ganges kashi vishwanath temple dashashwamedh ghat sarnath banaras hindu university manikarnika assi ghats ganga aarti holy city spiritual cultural pilgrimage silk weaving hinduism ancient heritage sari boat ride benaras banarasi paan tulsi manas durga kashi silk street markets sarees weaver riverfront temples folk music ghazal ayurveda bharat mata cuisine thandai rituals meditation ghat arti varanasi river ganges