Photo taken on July 5, 2019 shows the exhibition hall of the Prague "Harley Days" in Prague, Czech Republic. Prague "Harley Days", one of Europe's largest motorcycle events, was held in Prague on July 5 to 6. Visitors could see an exhibition of the latest, oldest and most original Harley-Davidson machines. Beside the exhibition, there were stunt shows, riders games and a motorcycle parade. (Xinhua/Dana Kesnerova)