 Complete the following phrase:  Skeleton competitions began in the late 1970s, hosting the world championships in 1990. The track was part of Salzburg, Austrias unsuccessful bid for the 2014 Winter Olympics in 2007. In October 2008, it was announced that the track would undergo a renovation project from 2010 to 2016. Costing  21.7 million to do, the track is being done in part of Munichs bid to host the 2018 Winter Olympics. Renovation includes extending the finish line and a new building near turn 16 and is scheduled to be complete by 2012. The starting area of the track will be started on 2014 and will finish on 2016. On 28 February 2009, it was announced the track would host the 