Coastal erosion at Perce Rock - in pictures

Perce Rock off the coast of Quebec, Canada, shows the natural processes of erosion, even without climate change. All photos: AP
An image of Perce Rock in 1768 shows it had two natural arches at the time.
The rock formation sheds hundreds of tonnes each year.
Northern gannets dive for fish near the rock.
The pebbles on a nearby beach have been replenished after winter storms to help absorb the impact of the waves.
Climate change has had an effect on the environment in the area.
The massive formation attracts tourists to the area.
Double-crested cormorants are among the wildlife at Perce Rock.
Bonaventure Island, off Perce. The area is home to a variety of birds.