Brazil is the fifth largest country in the world by geographical area and population (190 million), and now has the sixth largest economy, having surpassed the United Kingdom last year.

FORBES: Lots Of Reasons To Love Brazil Again

It is also the city that is at the geographical center of the new world taking shape before our eyes.

FORBES: Creating An Iconic Travel Destination Brand

The visitor is taken on a historical and geographical journey through the Islamic world via artefacts, mosaics and sculptures -- guided by information panels and multimedia installations.

BBC: The Louvre gets a new look

For example, whenever Christians and Muslims talk politely, the point is often made that today's world no longer divides into geographical areas where one faith or another predominates.

ECONOMIST: Islam and Switzerland

Over the next several years, then, hundreds of millions of people around the world will connect to the Internet from geographical areas that lack additional IPv4 address space.

FORBES: The End Of IPv4 Is Near

The mixing of races so evident in Brazil will become more prevalent around the world, Professor Gates believes, with people originating from a sole geographical area becoming increasingly rare.

BBC: The BBC project analysed the DNA of nine famous Brazilians

As each of the big four has strengths in different markets, any that united would immediately acquire geographical spread, as well as a dominant one-third share of the world market.

ECONOMIST: Industrial gases