Astra Spire WallpaperAstra Spire celebrates modern monumentality with finely sketched renderings of an instantly recognizable observation tower, repeated in a rhythmic, gallery like arrangement. Executed in deep indigo against a pale ground, the linework feels technical yet expressive, as though lifted from an architects notebook. Each vignette combines the towers sculptural silhouette with understated urban backdropsclusters of low rise buildings and gentle shoreline