Syria: inside the Crac des Chevaliers crusader castle

Our International Editor, Lindsey Hilsum, was the first foreign journalist to enter the Crac des Chevaliers castle in up for Snowmail, your daily preview of what is on Channel 4 News, sent straight to your inbox, here: Missed Channel 4 News? Catch up on the last seven days here: Channel 4 News weather forecast, with Liam Dutton: All the latest blog posts from the Channel 4 News on-screen talent: