Adobe provides a rotating selection of free, high-quality 3D assets, including studio and outdoor environment maps calibrated for realistic PBR (Physically Based Rendering) workflows. How to Use High-Quality HDRIs in Your Render Engine

The pack features "clean" 180º horizons free of intrusive elements like trees or buildings, giving artists total control over their own background elements. Pack Contents

These maps are captured with precise exposure techniques to ensure that both the brightest sunlight and the darkest shadows hold detail, providing realistic lighting intensity.

While I don't have the exact specifics of this pack, typically, an HDRI Pro Pack from 3D Collective might include:

Using super-angular lenses rather than fisheye lenses minimizes chromatic aberration, ensuring crisp and clean light distribution. How to Use 3DCollective Real Light Pro Pack 03

Provides calibrated, high-resolution skies ideal for architectural rendering.