.
Peter might call it 'the X treatment'--
youtube processing fades and blurs the photos,
so this treatment compensates
each photo receives the following changes in preparation for youtube:
1. Cropped
2. Reduced in size to a 700 x 400 gif
3. plus color saturation
4. plus gamma
5. plus contrast
6. plus sharpness
the camera photo looks like this:
but the photo that goes to youtube looks like this:
btw this tunnel is at the extreme top of Urguli mountain . It came with the invention of guns. Called: a rifle range. Spanish soldiers shot through the tunnel at targets on the other side of the hill -- this was considered necessary for controlled-testing the new invention I suppose (so bullets could not go off course and fly away and kill a General)-- very scientific.
Let's ask Peter ha ha.

X
.