Covid-19 cancelled their flights.Natalie Hughes from Bathgate was gutted after her dream summer holiday was axed as the coronavirus took over the pandemic.But the 38-year-old was determined to make something positive out of the chaos and hatched a plan with her sister Sharon Lee, 35.The two fitness instructors decided to use their work-out classes to walk the distance from Scotland to Ibiza and Dubai instead.And they are raising money for MND Scotland in the process, inspired by the story of