Where

So if they're not for sale, where do they go?

In Westminster is Westminster Abbey (a cathedral), The Palace of Westminster (the Houses of Parliament, with Big Ben), and 10 Downing Street (where the Prime Minister lives).

Airbnb was formed in San Francisco in 2008, and it's in that very city where Airbnb plays host to it's most loyal customers and fans, with the Sanfranciscan's on average spending five and half days in each property and splashing out a whopping $1,045 for their stay.

A few robots do surgery in places inside the body where a human hand is too big.

Computers do many different jobs where automation is useful.

In his childhood he helped his father on the farm, but when he was 22 years old he left home and moved to New Salem, Illinois, where he worked in a general store.

It is named football because the players of the game walk and often run (on their feet) while playing, as opposed to (for example) polo where the players ride horses.

EBay will remain to be an auctioneer's paradise, where bidding wars can happen from the comfort of your very own home.

He then returned to Syracuse where he became famed as both a mathematician, inventor, astronomer and philosopher.

That's where we come in at Nothing Familiar!

An "entanglement of kittens" is another name, as it's often hard to tell where one kitten ends and another begins when they're playing!

She lived with her owners in Bonham, Texas, where she gave birth to the world-record-holding number of kittens.

Nowadays this technique is still practiced in Bangladesh, where trained otters are used to chase fish into fishing nets.

This means that even though it usually lives on the land, it spends a great amount of time in rivers and lakes where males lead groups of 5 to 30 females and young.

Depending on where they are, 3g phones vary in speed between about 200kbit/s to 14mbit/s (Megabits per second).

In remote areas, such as Africa, drones are used for the shipment of live-saving medical equipment and medication where human transport would be too time consuming.

In 1973, Gates enrolled at Harvard, where he studied mathematics and computer science.

No one knows precisely where or when fish and chips came together.

The city government maintains numerous health centres as well as San Lazaro Hospital, where patients are treated free of charge, and subsidizes a number of government hospitals.

Thai street food is a market place in Thailand where vendors set up stalls to sell food and people buy to enjoy on the go or directly on nearby tables.

They do not live in thick forests where it is difficult to see predators, such as lions, approaching.

Cheetahs have evolved to live in an environment where water is scarce, and can survive on one drink every three to four days.

Where the climate is cold enough for year-to-year accumulation, a glacier may form.

But while it's universally agreed the sandwich is a tasty meal, where did it come from, and importantly why is it worth celebrating?

However, in the wild where life is riskier, peacocks and peahens generally live up to 20 years.

In areas of Asia where the peacock is hunted, they are not often seen and remain wary and shy of their surroundings.

Barcelona is one of the world's major cities where smoking cannabis is legal.

Before this, despite a lack of clarity on the country's actual capital, Den Haag (The Hague) was considered to be the capital of the Netherlands as this is where the government resided (and still do to this day), making it the country's hub of political power.

Chanel performed in clubs in Vichy and Moulins where she was called "Coco." .

It was a decade where women received the vote in several western countries.

Doughnuts are a health concern in Canada where each person eats more doughnuts per year than any other country.

The doughnuts get their name from Hanson Gregory, who "put hazelnuts or walnuts in the center, where the dough might not cook through".

In 1466, he moved to Florence where he entered the workshop of Verrocchio.

In 1482, Leonardo went to the court of Ludovico Sforza in Milan, where he stayed for 16 years.

Snakes cannot survive in places where the ground stays frozen year round so there are no snakes north of the Arctic Circle or in Antarctica.

Also known as the Vilcabamba, where the last rulers of the Inca Empire held out against Spanish tyranny until their demise in 1572.

This theory was debunked of course, but there are plenty of other locations within the Inca Empire where such things did occur.

There is an all-garlic restaurant in Stockholm where they offer a garlic cheesecake.

There was a park in Boston that was known as "Adidas Park" by locals where nothing but Adidas brand sneakers was allowed.

As a matter of fact, anyone who dared go to the park wearing Nikes or Puma ran the risk of getting their shoes snatched and hung on the park's "tree of shame" where countless pairs of off brand sneakers could be found.

Some of the leading trade shows where they are doing so are the Web Summit in Portugal, WSJ D Live Asia in Hong Kong, World Economic Forum in Davos, Switzerland and the Cannes Lions International Festival of Creativity, Mobile World Congress in Barcelona.