James Whatling / MEGA TheMegaAgency.com Zara Tindall broke royal protocol by sharing her thoughts on Brexit. Tindall, who previously competed in the Olympics as an equestrian, discussed how the vote impacted horse imports. "If we're talking about legislation and how we have gone back in time, sort of post-Brexit, our travel time for horses and their welfare has definitely gone downhill," Tindall said while attending the World Horse Welfare Annual Conference at the Royal Geographical Society with Princess Anne, who is also an equestrian.