Two people facing riot charges in Hong Kong  have tied the knot at the city’s Cotton Tree Drive Marriage Registry. Dozens of friends, family members and supporters packed a registration room to witness the wedding ceremony for Tong Wai-hung and Elaine To on August 4, 2019. The couple, who co-own a private gym in Central, were arrested on July 28 during a police operation to clear extradition law protesters in Sheung Wan.  They were each charged with one count of rioting, which can carry a…