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The International Congress of Historical Sciences, held every five years, was first held in 1900. It is the first time that the congress is held in an Asian country.
"This will benefit not only the Chinese people, but also people of the whole world," Zhang added.
Lu said rescuers were using hydrogen peroxide to neutralize the toxins and building cofferdams to enclose the damaged barrels, while trucking away those intact. Only safe levels of harmful gas were detected near the blast site, Lu added.
TIANJIN, Aug. 23 (Xinhua) -- The death toll from a warehouse blast in north China's Tianjin Municipality has risen to 123, including 70 firefighters and seven policemen, authorities said at a press conference on Sunday afternoon.
It has been held 21 times every five years since 1900, except during the World War I and World War II.
来源：资阳报