Guests wearing face masks to prevent the spread of the coronavirus, take an Ocean Express train at the Ocean Park amusement park in Hong Kong, Saturday, June 13, 2020. Hong Kong's Ocean Park reopened Saturday after nearly four months of closure due to the coronavirus pandemic. The animal and nature-themed attraction combines pandas, penguins, roller coasters and other rides, and has been a Hong Kong icon since its opening in 1977. (AP Photo/Kin Cheung)