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Aerial video taken on April 8, 2022 shows an exterior wall cleaner cleaning the glass curtain wall of the Twin Towers of the International Trade Center in Guiyang, Guizhou Province, China.
Aerial video taken on April 8, 2022 shows an exterior wall cleaner cleaning the glass curtain wall of the Twin Towers of the International Trade Center in Guiyang, Guizhou Province, China.
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