aim ba1969 mark print registration scope target colour colours layout page star stars template atmospheric beautiful beauty bizarre bling-bling blue chatoyant cirrostratus cirrus cloud clouds cloudscape diffraction dramatic greenhouse high ice iridescence iridescent irisation light luster majestic meteorology mystery nacreous nature optical ozone pearlescent phenomenon pileus polar PSC rainbow rare refraction religion science sky space spectrum spirituality Stratosphere stratospheric sun sunlight weather 92 barqueta bridge bridges Calatrava EXPO modern sevilla Seville Spain adornment attire christmas decor decoration snow snowflake winter xmas church color glass pattern skylight stained glass symmetry tinted window