Attached below is a vivid storytelling video, with clips, about the movie "To whom the bell tolls" at: 

https://www.ixigua.com/7110147321236718111?logTag=e1e9efbe21c05b8efb1b 

PS I also introduced to you the movie "戰地鐘聲" and the poem from which the movie title borrowed in my previous writing at:

https://classic-blog.udn.com/kkuo0810/30668890