sitting-on-me-bum: Colorful swirling patterns in Russia’s Uralkali sylvinite mines. Layers of
sitting-on-me-bum: Colorful swirling patterns in Russia’s Uralkali sylvinite mines. Layers of carnallite — a mineral used in fertilizers — band the tunnel walls, producing these vibrant masterpieces. The breathtaking motifs only came to light after photographer Viktor Lyagushkin decided to share his images. -- source link