Turkey has long been a nation that welcomed refugees, with 3.6m currently residing there, 2 million more than any other country in the world. But in recent years, as anti-immigrant sentiment has grown alongside an economic crisis, government officials have taken a stricter approach. Now, gaining entry to Turkey, even when individuals are seeking asylum, has become increasingly difficult - with many travelling illegally, forced to journey across treacherous landscapes Anushka Asthana headed to the border of Turkey and Iran, the so-called ‘gateway to Europe’, to meet those protecting it, and those risking it all to get across. • 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/