Blue hour at the iconic mountain Mælifell in the Highlands of Iceland. The volcanic cone is set right by the Mýrdalsjökull glacier (seen in the second and third images). The images disclose the subtle change in light as we circle the area.
Technical note: With fading light it is a challenge to acquire sharp images from a helicopter; the ISO has to be raised to deliver a fast enough shutter speed to overcome the helicopter vibrations. That in turn increases the noise. A fast lens helps (f/2.8, in this instance). Since the subject is effectively at optical infinity, sufficient depth of field is not an issue.
In the summer, Mælifell cuts a very different picture – see this post.
The Light in Iceland collection.