HDRIs of various landscapes such as mountains, deserts, and forests.
17k, 18:00, September, clear sky. Huge grassy field with a village on the horizon.
Sun is unclipped, so in Cycles, you don't need any light source, other than this HDRI for very realistic shadows.
Camera background photos and color-graded JPG panorama: https://photos.app.goo.gl/iL5HumS9E6A1dvDcA
Methodology: 7 expositions with 2EV spacing + 10 expositions of the only sun with ND4096 (12 stop) filter.