The original owner of Dreamworld has said he is devastated by the accident that claimed the lives of four people, describing it as an 'unbelievable occurrence'.
John Longhurst built and opened Dreamworld in Coomera in 1981 and said until last week the Thunder Rapids ride ride would have carried 'tens of millions' of people safely, reported the Courier Mail.
'I'm almost broken by what's happened,' he said. 'It's a shocking thing.'
This comes as investigators have said a 'horrible' combination of issues - including operational problems, mechanical failure and human error - were to blame for the tragedy.
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The original owner of Dreamworld (pictured) has said he is devastated by the accident that claimed the lives of four people, describing it as an 'unbelievable occurrence'

John Longhurst (pictured) built and opened Dreamworld in 1981 and said that until last week the Thunder River Rapids ride would have carried 'tens of millions' of people safely
'Often in a catastrophe like this, you get a combination of contributing factors where the planets align horribly,' a source told the Courier Mail.
On Thursday a funeral for Sydney mother Cindy Low, 42, will be held.
A permanent memorial for those who lost their lives on a ride at Dreamworld will be made from the mounting pile of flowers left outside the theme park by mourners.
Thousands of bouquets of flowers, soft toys and touching notes have been laid outside the Gold Coast amusement park since four guests were killed on the Thunder River Rapids ride last Tuesday.
The embattled theme park announced on Wednesday it would be collecting the floral tributes to be used in a permanent memorial for victim's Kate Goodchild, 32, her brother Luke Dorsett, 35, his partner Roozi Araghi, and Ms Low, 42.

A permanent memorial for those who lost their lives on a ride at Dreamworld will be made from the mounting pile of flowers left outside the theme park by mourners
The four tourists were killed in front of crowds of people waiting to board the simulated rapids ride, including families, when a malfunctioning raft flipped and threw them into the water where they became caught in a conveyor belt.
A statement from the theme park said they wanted to pay acknowledge the growing memorial of flowers left by those paying their respects.
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Share'Dreamworld has sought advice from Red Cross with regard to the tending of these flowers, and the letters and soft toys that people have placed the park's entrance.
'Older flowers that have been laid at the Park will be removed and will be used in a permanent memorial at Dreamworld.'


Victims: Two mothers, Kate Goodchild (left), 32, and Cindy Low (right), 42, died in the tragedy

Mr Dorsett's partner Roozi Araghi, 38, (left) was also killed on the Thunder River Rapids ride

A young boy cries while visiting a floral tribute outside the Dreamworld Theme Park

Touching notes, toys and gifts have also been left at the site of the tragic accident

The pile of flowers continued to grow after a candlelit vigil was held outside the park

Hundreds turned out to pay their respects to the four people who lost their lives
The notes remaining will be scanned and digitised to be kept on record, while the toys and other gifts will be collected and stored until a decision is made on what should be done with them.
'No decision on these will be made without consultation,' the statement read.
A spokesperson from Dreamworld said a design for the memorial had not yet been decided on as they would like to consult the victim's families first.
'At this stage there is a focus on the funerals and letting that take place before we have any discussions about the memorial,' a spokesperson told Daily Mail Australia.
A permanent memorial using flowers left in Martin Place by those mourning the deaths of Tori Johnson and Katrina Dawson was erected following the Lindt Cafe siege in December 2014.

A spokesperson from Dreamworld said a design for the memorial had not yet been decided on as they would like to consult the victim's families first

A permanent memorial using flowers left in Martin Place by those mourning the deaths of Tori Johnson and Katrina Dawson was erected following the Lindt Cafe siege in December 2014
Dreamworld CEO Craig Davidson said on Wednesday that funeral arrangements for the victims would not be made public.
'With regard to the funeral arrangements that are being made, this is deeply private for the families and we ask that media respects their requests for privacy,' he said.
This comes after it was revealed a water pump on the Thunder River Rapids ride had repeatedly failed before the fatal accident and that operators were considering closing it.
The pump reportedly failed twice on the day of the tragedy but was repaired.

Dreamworld CEO Craig Davidson (pictured) said on Wednesday that funeral arrangements for the victims would not be made public

HOW THEME PARK CATASTROPHE HAPPENED: Four people - two men and two women - were killed in a raft ride disaster at the Gold Coast's Dreamworld on Tuesday. Miraculously, two children were catapulted out of the fatal raft and survived with only minor injuries
However, it also malfunctioned the week before the incident as well, according to the Australian.
Police are consulting the pump's manufacturer and workplace health and safety officials as investigations into the accident continue.
Since last week's accident, there have been allegations Dreamworld routinely flouted safety regulations, but in a statement the theme park claimed to have been 'fully compliant with all required safety certifications'.
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