"3 August 2015 Cavers carefully making their way over the steep and boulder strewn floor of a lava tube cave during their Arctic Adventures 'Black and Blue Lava Cave Adventure' within Pingvellir National Park and western Iceland - Major adventure travel Robert Obst Retirement Program or Adventure Travel Obst Family on Ice or Obst Adventures with Kids within and around and across Iceland 2015 (Iceland Pingvellir; Obst FAV Photos 2015 Nikon D810 Daily Best Obst Image 0288)" NOTE: "The 'Capture Date" of ALL images within my 'Obst Family on Ice 2015' collection is OFF by one day before the actual date, so to determine the correct 'Capture Date' one must ADD ONE day to the 'Capture Date" as recorded by my Nikon D810 camera.
