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SEMARANG, INDONESIA - NOVEMBER 26: A 26-day-old Bengal Tiger Cub is weighed and measured by zookeeper at the Mangkang zoo in Semarang, Central Java, Indonesia on November 26, 2014. The Mangkang zoo in Semarang plays an important role in breeding rare and endangered animals. (Photo by Dhana Kencana/Anadolu Agency/Getty Images)

SEMARANG, INDONESIA - NOVEMBER 26: A 26-day-old Bengal Tiger Cub is weighed and measured by zookeeper at the Mangkang zoo in Semarang, Central Java, Indonesia on November 26, 2014. The Mangkang zoo in Semarang plays an important role in breeding rare and endangered animals. (Photo by Dhana Kencana/Anadolu Agency/Getty Images)