Jammu, June 9 -- Share Tweet Share KNS Special Correspondent Sonamarg, Jun 9 (KNS): As Asia's longest bi-directional tunnel project at Zojila prepares for a breakthrough today, the engineer overseeing the Rs 6,500-crore project said extreme temperatures of minus 35 degrees Celsius and over four months of heavy snowfall were the biggest hurdles in executing what he called a matter of "national pride". "It is an iconic project, a national pride. In Asia, it is the longest bi-directional single tube at this height - nearly 11,000 feet, about three and a half kilometres. That gives a special feature to this tunnel," NHIDCL Road and Tunnel Projects Authority Engineer Yousef Eshaghpour told news agency Kashmir News Service (KNS). Speaking from ...