Video World War I

 

http://www.history.com/topics/world-war-i/world-war-i-history/videos/bet-you-didnt-know-world-war-i?m=528e394da93ae&s=undefined&f=1&free=false

Battle of Somme 1914. Check the following link and comment those aspects which called your attention.

http://es.tiching.com/link/743442