An engineer has come up with macabre rollercoaster concept where passengers are thrilled and then ‘killed’.

The chilling Euthanasia Coaster is a theoretical machine engineered to ‘humanely, with elegance and euphoria, take the life of a human being’.

It is designed to subject the rider to a series of unique experiences from euphoria to thrill and from tunnel vision to loss of consciousness.

When travelling at 100m/s, the passenger would then pass away following a lack of oxygen reaching the brain.

The surreal structure is the brainchild of Lithuanian engineer Julijonas Urbonas.  Read more at the UK Daily Mail.