complexx.io on Instagram: "Bringing a thermal camera into a concert reveals a completely different version of the crowd. Instead of faces and lights, you see thousands of bodies radiating heat, packed tightly together and slowly warming the air around them as the music, movement, and energy build. The venue turns into a shifting map of temperature, showing just how much heat human bodies generate when they move in unison. What makes it unsettling is how clearly it exposes density and motion. Hot