Tennis balls are lined up to be squashed by pistons as they are tested by the International Tennis Federation (ITF) lab in Roehampton, near Wimbledon south west London, June, 28, 2019.
Alastair Grant is a journalist who writes for various news outlets including Beloit Daily News, Scripps News, Wisconsin State Journal, and Idaho Press, among others. His articles cover a wide range of topics including sports, travel, daily life in Britain, and human interest stories.