The sky wereas dark and out of colorsdull, the shadows of the grey clouds surrendered to the earth, and as the rain connectinged the sky withto the ground across the rain, the water touched the floor where humanspeople walks, reclaiming theirits spot ion the earth, making the people to run away, trying not to beget touched by the rain. The sky was dark and dull, the shadows of the grey clouds surrendered to the earth, and as the rain connected the sky to the ground, the water touched the floor where people walk, reclaiming its spot on the earth, making the people run away, trying not to get touched by the rain.

This is quite a long sentence! In my correction, "and as the rain~" breaks up the second and third phrases, so it sounds like "there are shadows", "there is the rain connecting the sky and ground".

Everyone wereas inside, escaping of the clouds' gift, except for a girl who was outside, standingalone, cleaning the tables that others hasd fouled with the help of the rain. Everyone was inside, escaping the clouds' gift, except for a girl who was outside, alone, cleaning the tables that others had fouled with the help of the rain.

Standing= sounds like she's stood still, doing nothing else. Alone emphasises the fact no one else is there.