People have always been obsessed with living forever.
In ancient Egypt, pharaohs ordered their slaves to build the pyramids to help them achieve immortality.
The first emperor of China, Qin Shi Huang, spent years of his life searching for the elusive elixir of life.
As history has progressed, the desire to prolong life has never gone away.
In the modern age, researchers have turned away from religion and magic, and looked to science to radically extend life.
But the quest for immortality comes with ethical dilemmas – regarding overpopulation, inequality and the right to die, to name a few.
So while some have continued this search for eternal life, others have questioned whether immortality is something that the human race should really be striving for.