As people are spending more and more time inside their homes, offices, and other closed areas, it is important to ensure that these spaces are safe and healthy environments, especially indoor areas designed for children and seniors. In recent years, several of the materials that shape the spaces we inhabit and directly influence the quality of the air we breathe have increasingly used a potentially dangerous chemical compound. This compound is called formaldehyde.

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Bars are the perfect meeting place to finish the day in the company of friends and a few drinks. The relaxed atmosphere and lighting allow intimate discussions around tables, while the social butterflies can instead meet around the focal element of the space, the bar.

The atmosphere provoked by the mixture of textures, smells, materials, and darkness—ideally accompanied by a cocktail menu—is an essential component in helping us find our favorite watering holes. Read on for a selection of 15 incredible examples of this typology, with images by prominent photographers such as Frank Herfort, Serena Eller Vanicher, and Yann Deret.