A small square in a residential area of Warsaw. HDRI was captured at 17:00, summer.
Sun is unclipped, so in Cycles, you don't need any other light source other than this HDRI for very realistic shadows.
Camera background photos and color-graded JPG panorama:
Methodology: 7 expositions with 2EV spacing + 10 expositions of the only sun with ND4096 (12 stop) filter.