Photo taken on Aug. 2, 2016 shows B-scan image of a sea lion fetus in an examination for a pregnant sea lion at Harbin Polarland in Harbin, capital of northeast China's Heilongjiang Province. Harbin Polarland invited a doctor of ultrasound department of the No. 2 Hospital Affiliated to Harbin Medical University to examine the sea lion, which is expected to deliver a baby at the end of August. (Xinhua/Wang Song)
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