Bildnummer: 53154261 Datum: 08.06.2009 Copyright: imago/Xinhua

Spring cocoons hi-res stock photography and images - Page 2 - Alamy

Kokon seidenraupe hi-res stock photography and images - Alamy

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Breeding silkworm hi-res stock photography and images - Page 6 - Alamy

File:Bundesarchiv Bild 102-07625, Berlin, Boris von Bulgarien bei Hindenburg.jpg - Wikimedia Commons

Medal BTN Deutschland - Saarland - 50th year as Federal state - Federal Republic of Germany – Numista

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File:Bundesarchiv Bild 101I-049-1553-13, Kroatien, Split, Mauer mit Aufschrift.jpg - Wikipedia

Kokon hi-res stock photography and images - Page 2 - Alamy

Bildnummer: 53584961 Datum: 14.10.2009 Copyright: imago/Xinhua (091107) -- NAPO, Nov. 7, 2009 (Xinhua) -- Zhang Xiuying (C, rear), a 10-year-old girl of Miao ethnic group, helps a 76-year-old granny surnamed Tao comb

Bildnummer: 53235014 Datum: 01.08.2009 Copyright: imago/Xinhua (090801) -- DHAKA, August 1, 2009 (Xinhua) -- A camera crew passes by a board containing logos of Bangladeshi media outlets at the Media Fair in

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Bildnummer: 53333696 Datum: 09.09.2009 Copyright: imago/Xinhua (090909) -- BEIJING, Sept. 9, 2009 (Xinhua) -- Photo taken on Sept. 9, 2009 shows a part of the National Library of China in Beijing, capital