It would give riders a “100k/ph thrill” lasting “one minute and 20 seconds” — but opponents to a zip-line plan for Hobart’s mountain say they are “sick” of having to “defend” the area from private developers. It would give riders a “100k/ph thrill” lasting “one minute and 20 seconds” — but opponents to a zip-line plan for Hobart’s mountain say they are “sick” of having to “defend” the area from private developers. Tourism and Leisure Industry, Adventure Travel, Aboriginal, Indigenous Culture, Urban Development and Planning Latest business news