Animal right activists wearing pig masks stage a memorial rally for those slaughtered due to African swine fever in Seoul, South Korea, Thursday, September 26, 2019. South Korea on Wednesday said it was intensifying efforts to clean farms around the country as it scrambles to contain the spread of the highly contagious African swine fever that has ravaged farms near its border with North Korea. (Photo by Ahn Young-joon/AP Photo)
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