The Floating Blue Face

Photo date: June 27, 2015. Photographer: Mark Mahin.

The photo below shows an escalator at Grand Central Station in New York.

Here is a rotated closeup of the face.

We seem to see here two eyes, a nose, and a mouth. To see many other similar examples, see my 115 posts labeled "air orb with face." Or check out the "Orbs & More" site at this location,  which has many photos that seem to show orb faces.