They have a long life span of 14 to 20 years.

Most have a life span of 12 to 15 years.

He had a very short life span of just 34 years.

A span of only around 10 to 14 million years.

It has a life span of up to 20 years.

The film was made over a span of ten years.

His three children were born in the span of 6 years, 1959 to 1965.

In 1998, they had the most success of that four year span.

The film cost around $20,000 overall over the span of two years.

It would be her last film for a span of ten years.