One of Iran’s oldest gurdwaras, Bhai Ganga Singh Sabha, Tehran, marked Baisakhi on Tuesday in the shadow of the ongoing war.The gurdwara which dates back to 1941 has become integral to Tehran’s life and pulse.Heartwarming pictures of devout Sikhs marking the festival of harvest and joy in the midst of a massive crisis went viral today. The Sikhs celebrated along with the local residents of Tehran with the day complete with rituals, including the recital of Shri Akhand Path Sahib, shabad kirtan and customary replacement of the Nishan Sahib. This replacement was undertaken as part of the traditional Chola Charauna (changing the robe) ceremony, which ensures the flag stays clean and vibrant.Pictures of the celebrations also capture the serving of langar — a sight that inspires hope and resilience despite the darkness of war.Bhai Ganga Singh Gurdwara is an essential element in the itinerary of Indian leaders who visit Iran. Prime Minister Narendra Modi visited the shrine in Tehran on May 22, 2016, at the start of his two-day state visit to the country. The state visit was the first official bilateral state visit by an Indian Prime Minister in 15 years. The last such visit was by Atal Bihari Vajpayee in 2001.