Open windows and doors will flush out stale air and all the hazards that have accumulated in it.

FORBES: 10 Easy Ways To Celebrate Earth Day

The home is very light, bright and open, with French doors and windows throughout that overlook beautiful lawns, a stunning in-ground pool and head-on city views.

FORBES: Warren Beatty and Annette Bening Seek Buyer in Beverly Hills

The Dorset throws open its doors and windows in fine weather and spills tables out on to the pavement.

BBC: Mini guide to nightlife in Brighton

She told us to get down and put your back on something, and leave the windows and doors open in case a building shifts so you don't get trapped.

CNN: Widespread destruction from Japan earthquake, tsunamis

According to Andrew Scotson, corporate support manager for the hospital trust, even when smoking had been limited to outdoors, smoke had still drifted in through open doors and windows.

BBC: NEWS | UK | Wales | Smoke ban call outside hospitals

The first, called Ease, is a mere foot in diameter by 16-inches tall and can fly safely in tight spaces or through open windows or doors, thanks to its petite size and ducted rotors.

ENGADGET: CyPhy Works reveals tethered flying bots that can spy on you indefinitely (video)

My neighbors, like people in similar complexes in Johannesburg and indeed Pretoria, routinely left ground floor windows and doors to their residences wide open.

CNN: Pistorius, and the psychology of walls

What Condoleezza Rice argued, however, was it made no sense to "put deadbolt locks on your doors and stock up on cans of mace and then decide to leave your windows open" to enemy attack.

CENTERFORSECURITYPOLICY: Anti-anti-missile defense