The correct answer is (b). The World Stamp Exhibition ‘Philanippon 2021’ was held in Tokyo, Japan from October 15 to October 23, 2021. It was the 71st World Stamp Exhibition and the first to be held in Japan since 1970. The exhibition was held at the Tokyo Big Sight convention center and featured exhibits from over 100 countries. The theme of the exhibition was “The World of Stamps: Connecting People, Cultures, and History.”
(a) China is incorrect because the World Stamp Exhibition ‘Philanippon 2021’ was not held in China.
(c) Germany is incorrect because the World Stamp Exhibition ‘Philanippon 2021’ was not held in Germany.
(d) Taiwan is incorrect because the World Stamp Exhibition ‘Philanippon 2021’ was not held in Taiwan.