Students gather near a "comfort woman" statue during a rally in front of the Japanese Embassy in Seoul, South Korea for a weekly "Wednesday demonstration" on January 11, 2017. Lee Jin-man/AP ...

Statues symbolizing the World War II sex slaves abused by Japanese soldiers have appeared this year on Korean city buses — including on a bus line whose doors open right in front of Japan's embassy.

The idea is catching – Korean-Americans have set up comfort woman statues and plaques across the Hudson River from Manhattan in Fort Lee and Palisades Park, New Jersey, and also in Glendale ...

SEOUL, SOUTH KOREA - AUGUST 14: A Comfort Woman statue installed in a bus ahead of the 72nd Independence Day on August 14, 2017 in Seoul, South Korea.

The statue in front of the Japanese Consulate, commemorating the plight of Korean women forced by the Japanese to work as sex slaves during World War II, has prompted Japan to withdraw its ambassador.

statue of a girl symbolizing the issue of 'comfort women' in front of the Japanese Embassy on December 28, 2015 in Seoul, South Korea. Chung Sung-Jun/Getty Images ...

Glendale Statue Remembers Korean “Comfort Women” in WWII “With this, we hope to bring light to the human trafficking that’s still going on in the world,” said Chang Lee, Glendale ...

Students gather near a "comfort woman" statue during a rally in front of the Japanese Embassy in Seoul, South Korea for a weekly "Wednesday demonstration" on January 11, 2017. Lee Jin-man/AP ...

The statue in front of the Japanese Consulate, commemorating the plight of Korean women forced by the Japanese to work as sex slaves during World War II, has prompted Japan to withdraw its ambassador.