Querétaro is bursting with beautiful gardens, incredible restaurants and a thriving music scene, as Phoebe Harper discovers Sign up to Simon Calder’s free travel email for expert advice and money-saving discounts Get Simon Calder’s Travel email Get Simon Calder’s Travel email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice It’s Friday night in a dance hall on the outskirts of Querétaro. The crumbling walls of the old