The lion's den is a dangerous place.

Game theory is an important tool in the study of strategic decisions.

Game theories are fundamental in the study of strategic interaction.

The bat hawks fly swiftly in the night.

The Knights Templar was an important religious and military institution in the Middle Ages.

The blacksmiths' shops are full of tools for working with iron.

The reedbuck is an elegant and agile animal.

The reedbucks are elegant and fast animals.

Valle dei Mulini is an open-air museum displaying old and new tools to produce pasta in Gragnano, Campania, Italy.

The Trinit\u00e0 dei Monti is a famous church in Rome for its stairway to Piazza di Spagna.