Photographer Dave Schmidt found that the later sunsets and mix of blue sky and clouds makes for a perfect backdrop, so he shot several photos of downtown landmarks for WCPO Insiders.

Martian clouds are very faint in the atmosphere, so special imaging techniques have been used by NASA's Jet Propulsion Laboratory, in Pasadena, California, to create the footage.

Members of the Cloud Appreciation Society proudly walk around with their heads in the clouds. Founded in 2005, the group — which is comprised of more than 48,000 cloud marvellers and spans 120 ...