Breathless View   Grota do Inferno - S. Miguel - Açores Nikon D810 + Nikkor AF-S 20mm f/1.8G ED | ISO 64 - f/8 - 1/250 sec | 180º Panoramic composed of 20 vertical shoot's ( 1288mm x 430mm ) | Filters Used: Lee GND 0.6 HE