A Sumatran elephant plays water at the Ragunan Zoo in Jakarta, Indonesia, Oct. 13, 2020. The Ragunan Zoo in Jakarta reopened to the public on Tuesday. (Xinhua/Agung Kuncahya B.)

Photo taken on Oct. 13, 2020 shows pelicans playing at the Ragunan Zoo in Jakarta, Indonesia. The Ragunan Zoo in Jakarta reopened to the public on Tuesday. (Xinhua/Agung Kuncahya B.)

Photo taken on Oct. 13, 2020 shows pelicans playing at the Ragunan Zoo in Jakarta, Indonesia. The Ragunan Zoo in Jakarta reopened to the public on Tuesday. (Xinhua/Agung Kuncahya B.)

Staff members wearing face masks and face shields work at the Ragunan Zoo in Jakarta, Indonesia, Oct. 13, 2020. The Ragunan Zoo in Jakarta reopened to the public on Tuesday. (Xinhua/Agung Kuncahya B.)

People watch pelicans at the Ragunan Zoo in Jakarta, Indonesia, Oct. 13, 2020. The Ragunan Zoo in Jakarta reopened to the public on Tuesday. (Xinhua/Agung Kuncahya B.)

People take photos of a Sumatran elephant at the Ragunan Zoo in Jakarta, Indonesia, Oct. 13, 2020. The Ragunan Zoo in Jakarta reopened to the public on Tuesday. (Xinhua/Agung Kuncahya B.)