Asian Continent," and was accompanied by displays of the Imperial Japanese Army's involvement in the Second Sino-Japanese War. There is also a section on the annexation of Korea in 1909 and Korea under Japanese rule, ending with a note that "Japan has still many unsolved problems" regarding the human rights of the 680,000 resident Koreans in Japan today. Exhibition Room C, on the third floor, advocated the end of "disputes and wars over ethnic, religious, or ideological differences." These exhibits focus on the threat of nuclear weapons, but also argue that starvation, poverty, and degradation of the global environment are threats to world peace. To emphasize these threats to peace, the museum includes a replica of the Doomsday Clock. Exhibits after changes in 2015 After renovations in 2015, the exhibit areas became: Zone A (2nd floor): The appearance of Osaka in 1945 and now Zone B (2nd floor) Explains why Japan waged war with the US Zone C (2nd floor): Life in Osaka during the war Zone D (1st floor): Osaka reduced to ashes Zone E (3rd floor): Osaka after the war Zone F (3rd floor): What all of us can do to maintain peace Information Address: 2-1 Osakajo, Chūō-ku Hours: 9:30 am – 5:00 pm (entrance until 4:30 pm) Holidays: Mondays, days following national holidays, last day of every month, New Year period. References External links Osaka International Peace Center Museums in Osaka Peace museums World War II museums in Japan Historical revisionism Osaka Castle Museums established in 1991 1991 establishments in Japan