0469: besides being out of focus, it also shows sensor dust and a white balance that is of. If it were of acceptable quality, you would need to submit a model release for the man represented.
hb: besides the technical issues (out of focus, chromatic aberration, contrast, noise), you would need model releases from all people in the picture. Why did you shoot such a scene at ISO 400? There was no need for.
riyadh sun: I do not see any value in this picture.
hb 2: underexposed, out of focus and noisy. Maybe there is also an IP problem, as it looks like there is kind of a logo in the image.
luzern: is missing blacks and whites in the histogram. If it were in focus, it could be saved with a small perspective correction and editing out the slightly disturbing light in front.
3705: even as a small image, it is out of focus.
0829: artefacts where you look at. It's not savable, but on your own social media account it will get countless likes…