December 18, 2017 - Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina - Shield cracked, a tired officer pulls back behind police lines. Protestors from various left-wing groups attacked police after a largely peaceful demonstration outside the nation's Congress buildings. The bill they were protesting""”a revision to the pension system""”became law the following morning. Credit: SOPA/ZUMA Wire/Alamy Live News

• Contributor: ZUMA Press, Inc. / Alamy Stock Photo
• Image ID: KRFBPB
• File size: 60.7 MB (1.7 MB Compressed download)
• Releases: Model - no | Property - no
• Dimensions: 5643 x 3762 px | 47.8 x 31.9 cm | 18.8 x 12.5 inches | 300dpi
• Date taken: 18 December 2017
• Photographer: ZUMA Press

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