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Karlsplatz Metro Station Sign of Vienna, Austria, Also Called U-Bahn Indicating the Lines U1, U2 and U4, Seen from Escalators. Editorial Photo - Image of lines, karlsplatz: 165214811
![U2's Bono and The Edge perform surprise concert in Kyiv metro in support of Ukraine amid Russian bombardment | The Sun U2's Bono and The Edge perform surprise concert in Kyiv metro in support of Ukraine amid Russian bombardment | The Sun](https://www.thesun.co.uk/wp-content/uploads/2022/05/NINTCHDBPICT000731461421.jpg)
U2's Bono and The Edge perform surprise concert in Kyiv metro in support of Ukraine amid Russian bombardment | The Sun
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