1The ancient Greek civilisation made significant contributions to philosophy, theatre, and democracy.
2Is modern civilisation more advanced than the civilisations of the past, or just different?
3The collapse of the Roman Empire marked the end of a civilisation that had lasted for centuries.
4If we do not take care of our planet, we risk destroying our civilisation and everything we have achieved.
5The museum exhibition showcased the art, architecture, and achievements of several ancient civilisations from around the world.