The present picture can be defined as a representative example of metarealism. A honest comment on reality.
We all know this is a pre- or post-carnival scene. Nevertheless, it is not journalism nor allegory.
It's a mere comment but what gives all its power is the lack of any judgment.
Of course, the viewer will identify many elements of the contemporary street photography as it is performed nowadays. Infinite sharpness (due to bright lenses in hyperfocale by default), hyperreal colours (due to AWB doing a super job), anecdotal by contradiction (a surprisingly extraverted behaviour of a dull society), are some of them.
However, the keen observing eye of Reiner goes beyond the above, embraces the subjects with empathy and lets his fellow citizens to populate his frame without judging them.
Last but not least, the compositional qualities of a seemingly snapshot are well present in order to keep us in the frame and our interest going (leading lines, variety of gestures, stilness-motion, diverging-converging glances).
The contextual elements are informative but at the same time discreet (dead-end, 30 km limit, outdoor drying underwear, protection poles), avoiding this way any extravagant perspective which would lead to a surrealistic interpretation (in surrealism judgment is omnipresent and, whatever the scene, the photographer's ego is the sole and only protagonist).
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