Dwijen Gogoi, a traditional folk instrument maker displays a unique 27 feet long (depicting 27 districts of the state) 'Bor Toka' - a traditional instrument made of bamboo which is going extinct, in Sivasagar, Assam, India on April 05, 2013. This is the first time ever this kind of instrument will be used during Bihu festivities, claims Gogoi. Photo by Luit Chaliha/Indian Photo Agency (InPA)