Downtown skyline from Echo Park, Los Angeles, California, United States of America, North America

Rock forms above Echo Canyon, morning on the trail to Observation Point, October, Zion Canyon, Zion National Park, Utah, United States of America, North America

Tourists on viewpoint Echo Point Blue Mountains National Park, Katoomba, Australia.

Downtown district skyscrapers located behind Echo Park Lake, Los Angeles, California, United States of America, North America

The Three Sisters from Echo Point, Blue Mountains National Park, New South Wales, Australia.

Tourists near Echo Point within Blue Mountains National Park, New South Wales, Australia.

man playing flugelhorn, echo at lake Koenigssee, Berchtesgaden range, National Park Berchtesgaden, Berchtesgaden, Upper Bavaria, Bavaria, Germany