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This is an abstract blue space line slide background image;
Keywords: Abstract space sense PowerPoint background picture, curve line PPT background picture
Soldiers, fighters, the Bayi Army emblem, the national flag, the dov...
Perspective business building, architectural line business building ...
Minimalist thin line, wavy line creative element, purple gradient ba...
Golden sand halo creative picture, big year title, simple atmosphere...
Blue-violet gradient background, spatial three-dimensional geometric...
Architectural engineers discuss the cover of the drawings, the trans...