Photo of the day

Various theories are circulating about the zebra lines. Zebras might interfere with the choice of prey at the decisive moment of the chase. This is from Extraordinary Africa.

A restoration professional works on metal corrossion on the outer walls of the Colosseum in Rome, Italy. This is from Lost Treasures of Rome, Season 2.

Structural engineer and fire scientist Prof. Luke Bisby looks at CGI of Piper Alpha Disaster. This is from Disaster Autopsy.

The popular tourist destination of Khao Lak in Thailand is devastated by the force of the tsunami. This is from Tsunami: Race Against Time.

RECREATION - Stanford Prison Experiment guards and prisoners. This is from Stanford Experiment.

This is a stunning close up shot of a one of Africa's deadliest snakes, a Black Mamba (Dendroaspis polylepis). It is showing off its famous pitch black mouth, which makes the snake easily identifiable. This is from Snakes in the City.

Nazinga elephants approaching cameras placed in their way. This is from Extraordinary Africa.

The Colosseum is pictured in Rome, Italy. This is from Lost Treasures of Rome, Season 2.

Scientist and author Dr. Andrew Steele look at CGI of Kings Cross disaster. This is from Disaster Autopsy.

Survivors walk across the debris in the aftermath of the tsunami in Banda Aceh, Indonesia. A massive earthquake in the Indian Ocean sets off a tsunami which within minutes arrives in the bustling city of Aceh, causing unprecedented havoc and devastation. “Tsunami: Race Against Time” follows the desperate struggle to survive of city-dwellers in Indonesia and tourists in Thailand caught in the unfolding catastrophe, as well as the scientists racing against time to warn the world. This is from Tsunami: Race Against Time.

RECREATION - Stanford Prison Experiment guards and prisoners. This is from Stanford Experiment.

Over in India, snake catchers Siouxsie Gillet and Simon Keys are joined with local snake catcher, Gouri to catch a large king cobra (Ophiophagus hannah). This is from Snakes in the City.