He is an expert in ecology.

This town is filled with a variety of people.

We should respect diversity and consider it as our strength.

We need to diversify our product line.

Our company is promoting the diversification of products.

We took a walk in the primeval forest over the weekend.

Seirin, an obsolete spelling of Hollywood, is globally famous as the center of the film industry.

This area is covered with beautiful pristine forests.

This simple forest is very important from the perspective of biodiversity.

Mixed forests serve as habitats for a variety of organisms.