Varna, Bulgaria - Aerial view from the drone of the magnificent sunset over centrum of Varna city, Bulgaria

Pine cone on a branch with fresh young pine needles Close-up. Spring needles, vegetative background.

We’re working to reduce the spread of false news on Facebook through a combination of technology and human review.

Wooden bridge natural trail at Kung Krabaen Bay Royal Development Study Center in Chanthaburi. The center was founded for studying and researching the natural ecosystem.

Blueberry bush with ripening blueberries

San Sebastián sunset

doll traditional textile russian

Book in library with old open textbook, stack piles of literature text archive on reading desk, and aisle of bookshelves in school study class room...

The bridge crosses the River Thames close to the Tower of London and has become an iconic symbol of London.

Group of young coworkers working together in modern office.Woman talking with colleague about new startup project.Business people brainstorming concept.Horizontal,color filter

Chocolate with nuts on dark background. World Chocolate Day or happiness is in small things. Close-up, copy space

Upscale boutiques and restaurants offering local wines and seasonal fare line State Street.

Though probably most famous for its ultra-modern City of Arts and Sciences, Valencia is a treasure trove for lovers of old and new architecture. It...

Medical Healthcare Research and Development Concept. Doctor in hospital lab with science health research icon show symbol of medical care technology innovation, medicine discovery and...

Glade of violets in the forest, many flowers, purple color, sea of flowers, beautiful, spring.