PARO, BHUTAN - APRIL 15: Catherine, Duchess of Cambridge at the start of her hike to Paro Taktsang, the Tiger's Nest monastery on April 15, 2016 in Paro, Bhutan. (Photo by Mark Cuthbert/UK Press via Getty Images)
PARO, BHUTAN - APRIL 15: Catherine, Duchess of Cambridge at the start of her hike to Paro Taktsang, the Tiger's Nest monastery on April 15, 2016 in Paro, Bhutan. (Photo by Mark Cuthbert/UK Press via Getty Images)