abstract autumn-colors autumn-colours autumnal background blended color colored colors colour coloured colours crystal crystals curved curves decorative design details glass glassy interconnected interlinked interwoven light patterns perspectives shape shaped shapes star-shaped stars style symmetrical symmetry texture textured textures thick thin vibrant wallpaper backdrop connected connections contoured contours contrast contrasting edged edges interlaced intermeshed multicolored multicoloured surface surfaced surfaces swirling swirls appearance gold golden lines liquid liquidy metallic molten raised spiral spiraling transparent angle angled angles colorful colourful diagonal diagonally diagonals geometric geometrical linear lined striped stripes bright green horizontal intertwined rainbow weave woven checkered checks matrix mosaic pink row rows square squared squares aged beam beams cracked cracks damage damaged deteriorating grained grains gray grey maintenance old rail rails railways rough rustic sleepers stability stable surfacing timber weathered wood wood-grains wooden woodwork worn criss-cross fine fragile linked links mesh purple wafer circle circles circular fabric mandala rolls tubes tubular art artistic arty brown pointed points riv eted variations