Britain's first counterfeit drug consumption room was set up, where heroin and cocaine addicts can safely inject under supervision.
The controversial space was set up by two charities in Bristol.
Inside, users sat side by side in separate cubicles, each containing clean syringes and a bright light so they could inject safely.
Supervisors are available to administer life-saving medication in the event that someone overdoses.
Similar rooms have been used in other countries – including Europe – for decades, but are never approved in Great Britain.
Deb Hussey of the Bristol Drugs Project says it's about reducing the damage.
She said, "People inject drugs, people use them, let them do it as safely as possible, and while accessing such a service, we can talk to them about how to make changes to their drug use."
Bristol has an interest in fighting drug use – the drug death rate in the city is 60% above the national average.
If rooms were allowed in the UK, users would also be offered advice and help to stop their habit.
Martin Powell of the Transform Drug Policy Foundation says users are currently injecting in dirty conditions such as back roads and wasteland, increasing the risk of infection.
"This is particularly dangerous for them to inject in a place like this because a) it is dirty and unsanitary and they are at risk of getting infected, and b) because no one can see what is happening," said he.
The Scottish government has requested the introduction of safer drugs in consumption rooms, but drug policy remains under Westminster control, which says there are no plans to bring them to justice.
One man who supports the idea is Brian Reed, whose daughter Lydia died in 2016 of a heroin overdose.
He said: "You have to accept the idea. If your children or other loved ones are unlucky enough to become addicted to drugs, you won't just dissuade them from doing so.
" You won't stop just because you say it The only thing we can do is make sure that if you're so desperate for a drug for any reason, at least it won't kill them. "Consider a wide range of topics, but Sky News said there are no plans to introduce drug use rooms.
a spokesman said.