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English

Some buildings, such as the Crenshaw House in far southeastern Illinois, are known sites where free blacks were sold into slavery, known as the "Reverse Underground Railroad".

Chinese

有的建筑物,例如伊利诺伊州东南边区的克伦肖公寓是奴役自由黑人的建筑,被称之为“逆向地下铁路”。