Long-exposure photography involves using a long-duration shutter speed to sharply capture the stationary elements of images while blurring, smearing, or obscuring the moving elements. Photo by: Nacho Cosio

Airplane trails. The photographer took this fascinating long exposure photo in the skies above San Francisco International Airport. Photo by: Terence Chang

Lonely light man sitting on the bench, photo taken using light graffiti or light painting technique. Photo by: unknown

Motions at the streets of Calcutta, India. Photo by: Martin Roemers

Rush hour in Mumbai, India. Photo by: Vivek Prakash

Long exposure photography taken with glow sticks in waterfalls. Photo by: Sean Lenz

Long exposure picture of a Lightning Bolt hitting a tree. Photo by: Darren Pearson

A long-exposure photo taken of the Space Shuttle Endeavour launch at night on one of the last Space Shuttle missions. Photo by: James Vernacotola

Magical long-exposure photos of fireflies in forest. Photo by: Rel Ohara

Breathtaking Australian star trails. Photo by: Lincoln Harrison

Milky way over Quiver tree forest. Photo by: Florian Breuer

Man in the middle of sparkle circle. Photo by: Alex Coppel