I want to go to the Principality of Andorra.

It's convenient to live in a city where transportation facilities are well-developed.

The World Bank is an international institution that supports economic development around the world.

Her beauty is like a peony.

This mineral is called lepidocrocite, a type of iron oxide.

Fiber optics is a part of communication technology.

This structure has existed for centuries.

My major is chemical engineering.

He is an expert in mineralogy.

They used Euclid's algorithm to find the greatest common divisor.