Hundreds of people gathered in Srinigar, Indian-administered Kashmir, on Friday, for a leech therapy clinic. Friday is the start of Nowruz, the Persian New Year, and it is traditionally believed that leech treatments are more effective on this day. The World’s Carol Hills spoke with reporter Syed Shahriyar about what he saw at the Hazratbal shrine in Srinigar, how leech therapy works and why Nowruz is celebrated like this in Kashmir.