- that is single so looks should be look. or to make it plural it should be "those looks"
Those day = those days or that day, but in this case I prefer those days.
They were there to learn from them...
Holocaust of right and wrong!
Eden of rising and falling...
^^ wow! I really like this. what a metaphor to use! This is great as it is so unique to add into a poem and to portray your message.
The poem on the whole is very inspiring and uplifting and shows us that tomorrow is what we make it, we learn from our mistakes and we just have to move on from them.
I enjoyed your wording and there were a few words I had to look up their meaning which always adds a bit of excitement.
Your English is very much improving and also, I see you put some punctuation in this which is not everyone's priority in writing poems but I myself like to see it, so well done for that.