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This photo taken on October 21, 2020 shows Taiwanese blacksmith Wu Tseng-dong (R), owner of a knife factory, giving a demonstration to tourists how to make a knife from cases of Chinese artillery shells which were fired decades ago from Xiamen on the mainland at Taiwan's Kinmen island - which lies off the coast of the Chinese mainland. - In a contemporary twist on beating swords into ploughshares, Taiwanese blacksmith Wu Tseng-dong has forged a career converting Chinese artillery shells once fired in anger into kitchen knives. (Photo by Sam Yeh / AFP) / TO GO WITH Taiwan-China-US-politics-military-Kinmen,SCENE by Amber WANG (Photo by SAM YEH/AFP via Getty Images)

This photo taken on October 21, 2020 shows Taiwanese blacksmith Wu Tseng-dong (R), owner of a knife factory, giving a demonstration to tourists how to make a knife from cases of Chinese artillery shells which were fired decades ago from Xiamen on the mainland at Taiwan's Kinmen island - which lies off the coast of the Chinese mainland. - In a contemporary twist on beating swords into ploughshares, Taiwanese blacksmith Wu Tseng-dong has forged a career converting Chinese artillery shells once fired in anger into kitchen knives. (Photo by Sam Yeh / AFP) / TO GO WITH Taiwan-China-US-politics-military-Kinmen,SCENE by Amber WANG (Photo by SAM YEH/AFP via Getty Images)