December 28, 2009 (Otepaa, Estonia) – Apparently the 2010 Tour de Ski has had another high-profile athlete drop out, preferring to train at home for the Vancouver 2010 Olympic Games reports skierpost.com. Following Marit Bjoergen (Nor), Anna Haag (Swe) and Charlotte Kalla (Swe), Kristina Smigun-Vaehi (Est) has stated that she will be training in Otepaa, Estonia, where she can use a hypoxic chamber to simulate altitude – read more here. The World Cup resumes with events in Otepaa on Jan. 16.