Ever ______ humans started to walk the Earth, they have lived in caves.

This tiny house has _______ floor area of 3.05 metres by 1.8 metres and it is painted bright red, so you can't really miss it!

Modern caves are not too hot in the summer, while they stay warm in the winter. ______ is more, a modern cave is likely to contain all the modern household gadgets that make life comfortable.

To start with, people ________ use of natural caves.

Modern-day caves have some unexpected advantages. For anyone who has ever visited _______, the benefits are immediately apparent.

But the people soon ran _____ of available caves to live in.

It's well worth a visit! And, it certainly won't take up too much of ________ time!

It was then simpler for them to create their own caves _______ to build shelters using other materials or techniques.

Britain´s smallest house is _______ as Quay House and is a popular tourist attraction.

On volcanic islands, people found the rock was soft _______ to dig into to make caves.

__________ the house is very small, it's still extremely practical.

The smallest house in Britain ____ located in the town of Conwy in Wales.

Wherever people live, they need to protect themselves _____ the weather.