Animals / Aquariums / Archeology / Insects / Fossils / Zoos

Mar. 12, 1975 - Artificial nests for swallows: In Switzerland artificial nests for swallows have been produce and are selled for 6 franks. The swallows are returning soonly in Switzerland. The nests were destroyed when the swallows were evaquated because the cold last autumn. (Credit Image: © Keystone Pictures USA/ZUMAPRESS.com)