Colors of the Sufferer's Rainbow

[UselessBlueprint]

Green is for the fields that line
The rich banks of Mother Euphrates.
White is for the sand that kisses
Badiyat al-Sham and the White Middle Sea.
Black is for the smoke that rises
From each bomb’s billowy blossom. (proper alliteration - I do not like the word "blossom", here, however. It builds on the bright images before contrasting them with darker ones, but it feels asymmetrical, out of place)
Red is for the slickness that covers
a boy’s face and drenches his graphic t-shirt.(some trimming may be in order around here)
But grey is his new favorite color.

He sees grey in the windowless
Planes buzzing over his flat
Like angry wasps.

He sees grey in the ten-foot mounds
Of concrete and rebar
That turned noisy homes into
Silent graves.

He sees grey in the dust and ash
Blanketing the streets
Like sorrowful snow.

He saw grey in his father’s hair,
His mother’s hair, his brother’s hair—
Once black as oil, now dull
And lifeless as their body bags. (I might let "and lifeless" stand alone as a line)

Now the grey clings to his skin,
Punctuated with shades of brown. (this seems to lack something. I feel the shades of brown need physical attachment)
He reaches up to wipe some off (the grouping of this and the following two lines lead me to misread, and not in a way that seemed to help achieve a deeper understanding)
His face and his hand
comes back red and grey. 

He looks but doesn’t cry. (out of sonic preference, I think "does not" works better)
His tears were snatched
Away with the green
Fields and white (I totally get what's going on with the line breaks, but I can't agree with them)
Sands of Aleppo.

The camera filming him will absorb
Variants of red, green, and blue, but
It will broadcast a rainbow worldwide:

        Black for the smoke that rises
        From each bomb’s billowy blossom.

        Red for the slickness that covers
        Syrian faces and drenches graphic t-shirts.
(again, the whole "x is for the y that z" formula is too much. x y does z. I would only accept your formula if I felt you were depicting a flag, but nothing gives that sense)

        Grey for the thin, dusty hope
        That settles on the ground to the tune of gunfire.

Sorry my crit is a little simple, but it's the best I can offer right now. I enjoyed the piece, but I would like to see some reason behind the decisions made.