Harong Hurong
Harong Hurong is the name of an ancient cave in the Sylhet region of Bangladesh. In Sylheti 'harong' means narrow or alternative route and 'hurang' means 'tunnel'. There is a legend that, in 1303 when the king of Gour Govinda heard the news of Shah Jalal's arrival in the region he and his army fled through the tunnel and disappeared forever.