'Hsing-Hsing & Ling-Ling, 2 of these animals at Washington, D.C.'s National Zoo, mated in 1983, but the cub soon died'
Pandas
THE 1980s: Hsing-Hsing & Ling-Ling, 2 of these animals at Washington, D.C.'s National Zoo, mated in 1983, but the cub soon died
Hsing-Hsing & Ling-Ling, 2 of these animals at Washington, D.C.'s National Zoo, mated in 1983, but the cub soon died
Hsing-Hsing & Ling-Ling, 2 of these animals at Washington, D.C.'s National Zoo, mated in 1983, but the cub soon died
THE 1980s
Pandas
THE 1980s