Unreal Engine 🔜 GDC on Twitter: "We've taken your feedback and improved the workflow to achieve realistic lighting with Physical Lighting Units and Auto Exposure updates in 4.21! Details here - https://t.co/Aznz2CteLd - #
UE4 - Interior Lighting (Basics) - YouTube
The Art of Rendering: How to Create Realistic Lighting in Your Visualizations - Architizer Journal