SocietyPolandPoland: When the ground opens upTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoSocietyPolandAxel Rowohlt01/18/2024January 18, 2024A former coal mine is behind a growing number of sinkholes that have appeared in a town in Poland, endangering buildings and human lives.https://p.dw.com/p/4bAeZAdvertisement