Cross at sunset or sunrise.

Venice Italy.

Old rusty oil drum.

Ursus arctos or grizzly brown bear walking in a meadow and looking at the camera.

Water droplets splashing.

Rain drop splash.

Science objects with texture.

Sunrise at the beach.

Staphylococcus aureus viewed under the microscope at x1000.

Pouring a glass of water.

Social media word cloud.

Microscope view of salt crystals.

Offshore oil and gas platform supply vessel.

Old train wheel on a track

Inside the historic replica of a furnished viking longhouse at Lofotr Viking Museum, Lofoten Islands

Using a cleaning solution.

Water falling from an iceberg.

Law gavel on white.

Saccharomyces cerevisiae slide, 1000x

BRUGES, BELGIUM, JULY 5, 2011. Medieval buildings and canal that are part of the city center, taken on July 5, 2011 in Bruges.

Eggs at the market.

A mallard duckling swimming in a lake.

Small iceberg in the Atlantic ocean.

Number game

Caves cut into rock.