This has resulted in an estimated cost savings of one million euros over the last six years.

BBC: Airports doing more to go green

If White House tours cost four million, they would account for about one percent of White House spending.

FORBES: The Sequester Cut of White House Tours Equals 2 Hours of Air Force One

Working continuously seven days a week, this mini-factory can produce a million tyres a year, at an overall cost one-quarter less than that of a mid-size traditional plant, which might produce 6m tyres a year.

ECONOMIST: Re-inventing the wheel

After fourteen years of planning and construction, at a cost of a hundred and thirty-five million dollars, the gallery occupies one connected space in three buildings.

NEWYORKER: Boola Boola

When computers cost a million dollars, you had to work for a large organization to use one.

FORBES: Disruptive Blogging

The statue of the late pope - who was beatified on 1 May in a ceremony which drew more than one million people to the capital - was paid for by a foundation, at no cost to the city.

BBC: New statue of Pope John Paul II sparks anger in Rome