Soldiers in trench - http://i2.wp.com/johningtons.com/wp-content/uploads/Canadian-soldiers-in-a-trench-in-1916-during-WWI..jpg
Chlorine Gas - http://www.amazingrust.com/Experiments/how_to/Images/Chlorine_gas.jpg
Artillery Fire - http://upload.wikimedia.org/wikipedia/commons/5/55/Naval_gun_firing_over_Vimy_Ridge.jpg
Newfoundland Regiment 1915 - http://upload.wikimedia.org/wikipedia/commons/c/cc/Newfoundland_Regiment.jpg
Cheering Soldiers - https://tce-live.s3.amazonaws.com/media/media/11751af0-ec83-4753-8f2b-bb38ed576b7f.jpg
Chlorine Gas - http://www.amazingrust.com/Experiments/how_to/Images/Chlorine_gas.jpg
Artillery Fire - http://upload.wikimedia.org/wikipedia/commons/5/55/Naval_gun_firing_over_Vimy_Ridge.jpg
Newfoundland Regiment 1915 - http://upload.wikimedia.org/wikipedia/commons/c/cc/Newfoundland_Regiment.jpg
Cheering Soldiers - https://tce-live.s3.amazonaws.com/media/media/11751af0-ec83-4753-8f2b-bb38ed576b7f.jpg