Ricky May had to be resuscitated 18 months ago, after suffering a mid-race heart attack.
The 14-time group one winner will retire on the weekend.
Cambridge's new synthetic track may mark the dawn of a new era.
The video shows horses falling, going into cardiac arrest, and sustaining critical and often fatal injuries through the sport.
International entries will be reduced thanks to the newly implemented regulations.
All horses must undergo CT scans prior to the race, as part of a raft of changes to be implemented this year.
From next season, all foals will be microchipped instead of being branded by an iron on their neck.
The six-year-old mare celebrated her 14th Group One victory in the Bonecrusher Stakes.
And rising star Aegon shot to victory in Sydney.