Original sentence: While Mangan and Celestia were politely ignored by the superpowers, there is evidence that at least some others were prepared to entertain his claims with a greater degree of seriousnes; the first unfurling of the Celestian flag - featuring a blue hatch symbol within a white disc against a blue field - was broadcast in June 1958 to a television audience of millions across the US, and the following day the flag was raised at the United Nations building in New York City, to fly alongside those of the member nations of that organisation
Edited sentence: While Mangan and Celestia were politely ignored by the superpowers, there is evidence that at least some others were prepared to entertain his claims with a greater level of seriousnes; the first unfurling of the Celestian flag - featuring a blue hatch symbol within a white disc against a blue field - was broadcast in June 1958 to a television audience of millions across the US, and the following day the flag was formally raised at the United Nations building in New York City, to fly alongside those of the member nations of that organisation