black and white picture of the steel construction of tetrahedron in german bottrop taken from below against the sky

abstract amazing architecture art asymmetric asymmetry attraction attractions awesome background beautiful below black bottrop building chaos chaotic concept construction deutsch engineering european future futuristic geometric german germany industrial interesting landmark miscellaneous north pattern photography photos picture places rhinewestphalia silhouette sky staircase stairs steel steps structure taken technology tetrahedron tetrix tourist wallpaper white