Anonymous ID: 558b54 Feb. 16, 2023, 7:47 p.m. No.18362546   🗄️.is 🔗kun

>>18362530

The colors are because it's a very thin layer, they change because the layer thickness is changing by a few 10's to 100's of nanometers (causing a different visible wavelength reflection).

 

And no, that's not normal at all, it's concerning AF, and if I lived there I would leave until there were numerous big rain storms.