Boys wave Polish flag as they cheer during the main round match between Poland and Serbia at the Men's Handball World Championship in Lund.

在瑞典隆德举行的世界男子手球锦标赛上，男孩们在波兰与塞尔维亚的主赛局中挥动波兰国旗欢呼。

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Boltersdorf's clients include several clubs in Germany's elite Bundesliga soccer league and the national men's handball team, which won the world championship in 2007.

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