Joseph Michael is a New Zealand photographer who create magnificent images and timelapse videos. Arachnocampa luminosa is a species of glow-worm endemic to the island nation of New Zealand. These long exposure photographs were captured in a number of limestone caves in the North Island. The 30 million year old formations form a majestic backdrop to the bioluminescence of the glow-worms. He named the project Luminosity. See more images and information here.