Pictures 10th Anniversary Global Conservation Gala At The Philadelphia Zoo October 11, 2019 / 12:16 PM EDT / CBS News Credit: Hughe Dillon 10th Anniversary Global Conservation Gala at the Philadelphia Zoo Credit: Hughe Dillon 10th Anniversary Global Conservation Gala at the Philadelphia Zoo Credit: Hughe Dillon 10th Anniversary Global Conservation Gala at the Philadelphia Zoo Credit: Hughe Dillon 10th Anniversary Global Conservation Gala at the Philadelphia Zoo Credit: Hughe Dillon 10th Anniversary Global Conservation Gala at the Philadelphia Zoo Credit: Hughe Dillon 10th Anniversary Global Conservation Gala at the Philadelphia Zoo Credit: Hughe Dillon 10th Anniversary Global Conservation Gala at the Philadelphia Zoo Credit: Hughe Dillon 10th Anniversary Global Conservation Gala at the Philadelphia Zoo Credit: Hughe Dillon 10th Anniversary Global Conservation Gala at the Philadelphia Zoo Credit: Hughe Dillon 10th Anniversary Global Conservation Gala at the Philadelphia Zoo Credit: Hughe Dillon 10th Anniversary Global Conservation Gala at the Philadelphia Zoo Credit: Hughe Dillon