It struck during China's busiest travel season and changed how many people  celebrated the Lunar New Year. Millions who had set out across the country for family reunions during the holiday had to cut their vacations short or a completely change plans after the outbreak of COVID-19, a pneumonia caused by the novel coronavirus, hit the city of Wuhan in central Hubei Province. CGTN's "Epicenter - 24 hours in Wuhan" documentary paints a human and compassionate story of the people fighting the outbreak in China.