Heartbreaking video footage shows a man's final moments before riding a zip line and falling to his death.
Sergio Murilo de Lima Santana, 39, died when the zipline snapped and sent him crashing through the air.
Moments earlier, he had filmed another tourist happily riding the same line at Canoa Quebrada Beach in Aracati, Brazil.
The tragedy unravelled during a windy afternoon at the coast on Monday.
Chilling images show the long zipline spanning across the beach, with one woman seen going down it over some water during the windy afternoon.
Sergio, from Belem, Para state, was on holiday when the accident took place.
Emergency workers scrambled the scene and rushed Sergio to hospital.
But despite efforts to save him, he was pronounced dead on arrival.
He had been on holiday in the area with his partner, who has not been named, for six days before the incident.
An outpouring of grief has filled social media with messages from friends and family mourning his death.
One person reportedly said: "Another friend gone. A fatality. May God welcome you with open arms."
Authorities in Brazil are investigating the circumstances surrounding the accident.
The Tourist Police Battalion of the Military Police was called to the scene.
Aracati Regional Police Station will carry out the investigation, according to local media.
The zipline is often touted among the top things to do at Canoa Quebrada.
Riders starts at the top of the dunes and zoom down over the sand, finishing at a small lake.
The surrounding area is made up of sand dunes, red cliffs and long white sand beaches, a few hours' drive from the city of Fortaleza.
It is a popular area among Brazilians, offering an array of extreme sports and activities including the zipline.
Other attractions include horseback riding on the beach, riding 4x4s in the dunes, boat rides, kite surfing and wind surfing.
