The North and South poles may be inhospitable places, but they are seeing increasing numbers of visitors.

In the same period that tourism has exploded, the ‘health’ of the poles has ‘deteriorated’.

The Pompidou Centre in Paris has survived its moment at the edge of architectural fashion and proved itself to be one of the most remarkable buildings of the 20th century.

Yet the opening was a downbeat moment. The Pompidou Centre had been rubbished by the critics while it was being built, there was no more work in prospect for the architects.

The following year, Rogers was commissioned to design a new headquarters for Lloyd's Bank in London and went on to create one of Britain's most dynamic architectural practices.

The building with a flexible interior allows users to easily adjust the floors up and down.

As a model for urban planning, the Pompidou Center has proved immensely influential.

At the meeting of the Antarctic Treaty in Baltimore, the 28 member nations adopted proposals for limits to tourist numbers. These included safety codes for tourist vessels in Antarctic waters, and improved environmental protection for the continent.

When a bee-eater catches a bee, it returns to its tree to get rid of the bees poison, which it does very efficiently.

The object was to twist the layers of small cubes so that each side of the large cube was an identical colour.

Cooling for human comfort, rather than industrial need, really took off when three air conditioners were installed in the J.L. Hudson Department Store in Detroit, Michigan. People crowded into the shop to experience the new invention. The fashion spread from department stores to cinemas, whose income rose steeply as a result of the comfort they provided.

In developed parts of the world, people turn on a tap and out pours abundant, clean water. Yet nearly 900 million people in the world have no __________ to clean water.

Communities where clean water becomes accessible and plentiful are transformed. All the hours previously spent hauling water can be used to______________more crops, raise more animals or even start a business.

One toddler may want to play a different game every day and ____________ if nothing changes at the nursery.

The Pompedou Center enabled wider audience to _______________ the style and content of the building and so moved away from the strictly professional view.

European bee-eaters form families that _________ in the spring and summer across an area that extends from Spain to Kazakhstan.

Travel at the North and South Poles has become an expensive ____________ activity, suitable for tourists of all ages.

A UK-based international non-profit organisation called WaterAid is ___________ the job of bringing water to the most remote villages of Konso

Bee-eaters today also find it harder to find food, as there are fewer insects around as a result of pesticides. Breeding sites are also disappearing, as rivers are turned into _________-walled canals.