This beautiful garden owes more to art than to nature.

Natural dyes keep a more beautiful color over the years than artificial dyes.

The lake is made not by nature but by art.

This book says the earliest man-made bridges date back to the New Stone Age.

The launching of artificial earth satellites is commonly looked upon as an exploration of space.

Soft wool is more expensive than coarse wool and both are superior to synthetics made of nylon.