They were places of hell in the last century and time has done nothing to ease the horrors of trench warfare. Technology may have allowed us to see their reality better, but it has not made this style of battle any less brutal. They remain some of the worst places to live and die. Now they tear into the Ukrainian countryside as they tore into other parts of Europe in wars of old. Mile after mile of muddy deep red in green fields beneath blue skies. • Subscribe to ITV News on YouTube: http://bit.ly/2lOHmNj • Get breaking news and more stories at http://www.itv.com/news Follow ITV News on Facebook: https://www.facebook.com/itvnews/ Follow ITV News on Twitter: https://twitter.com/itvnews Follow ITV News on Instagram: https://www.instagram.com/itvnews/