We visited Peru a few years back and made two stops in Cusco.  At 13,000 feet it takes your breath away.  Then there’s the mountains above Cusco; higher and mightier.  At the end of our stay we had the lungs to hike the hills and got above the city.

The fog played around Machu Picchu, sometimes obscuring it and sometimes framing it.

 
http://ceenphotography.com/2015/12/17/cees-black-white-photo-challenge-faraway/