Photo of the day

Fishermen arranging containers with fish. This is from Return to Zai Tun.

Dubai Creek, the winding saltwater inlet, at sunrise. This is from Emirates from Above.

Horned puffins at the North Carolina Zoo. This is from Secrets of the zoo: North Carolina.

Photograph of a walking polar bear. This is from Wild Arctic.

Tieguanyin tea is considered one of the most refined teas in China. Grown in the hills around Quanzhou, it is harvested twice a year, in Spring and in Autumn, both sweet, but with the Autumn harvest presenting a stronger aroma. This is from Return to Zai Tun.

A photograph of a young Reidun Sundbye, SS Skytteren survivor. This is from Ocean Wreck Investigation.

The Acropolis. This is from The Acropolis: Secrets of the Ancient Citadel.

Chilean flamingos at the North Carolina Zoo. This is from Secrets of the zoo: North Carolina.

Boone the lion, North Carolina Zoo. This is from Secrets of the zoo: North Carolina.

Photograph of camels. This is from Emirates from Above.

Kaiyuan Temple, built in the seventh century AD, still attracts many believers to the temple to pray. This is from Return to Zai Tun.

Freckles the Macklot's python, one of North Carolina Zoo's ambassador animals. This is from Secrets of the zoo: North Carolina.

Before the ban on the sea trade came into force, pirates had been preying on the ships in these waters. It became essential for all traders to learn how to defend themselves. This is from Return to Zai Tun.

This is from Wild Arctic: Kingdom of Ice.

Grenfell Tower. This is from Disasters Engineered.

This is from Emirates from Above.

Two polar bears play fighting. Polar bears fighting on snow have got up on hinder legs. This is from Kingdom of the polar bears.

Dragon dance performance. This is from Return to Zai Tun.

The remains of the Cypress Freeway, which ran through the center of Oakland, following the San Francisco, or Loma Prieta, Earthquake of 1989. This is from Disasters Engineered.

This is from Wild Arctic: Kingdom of Ice.

The first generation of the sea god in Jiuri Maountain, southern Fujian. He was called King Tongyuan. This is from Return to Zai Tun.

Aerial view of Emirates. This is from Emirates from Above.

Bangor, Maine, USA: An ice storm leaves its beautiful traces on the landscape during a black bear survey outside of Bangor, Maine. This is from Wild Arctic: Kingdom of Ice.

German battleship, Bismarck drifts slowly into the Atlantic Ocean. This is from Ocean Wreck Investigation.

The Acropolis. This is from The Acropolis: Secrets of the Ancient Citadel.

Photograph of a buffalo. This is from Wild Arctic: Kingdom of Ice.

Exxon Valdez. This is from Disasters Engineered.

Eagle, AK: The rough and beautiful landscape of Eagle, AK. This is from Life below zero.