Litter-pickers have found rubbish that is up to six decades old – including old Mars bar wrappers and Brylcreem packets dating back to the 1960s.
The volunteers remove between 1,500 and 2,000 bags of trash every month.
The oldest item they found was a Brylcreem container from about 1960.
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A glass drink bottle from the late 1970s was found too.
A peanut packet from the 1980s, plus Mars, Crunchie, Vice Versas, and Twix wrappers were discovered as well.
A Walkers packet from 1999 and a 2004 Wotsists one were unearthed as well.
They were found by the Clean Our Patch team in Plymouth, Devon.
The organisation was founded by El Clarke and Ash Samuels and has now grown into 43 different groups of litter-pickers.
The litter they find is then burned at a waste to energy incinerator which provides electricity for 33,000 homes in the city.
But founder El said there was a darker side to discovery of the quirky old items as reported by Need To Know.
“I don’t know if anyone remembers seeing these kinds of things when they were younger.
“They’ve been stuck in the ground for 50 years so it’s kind of terrifying they are still around now,” she said.
“The reality of it is that all of this stuff is not going anywhere and it never will.
“It’s part of our mission to clear those historic grot spots as we call them.”
Ash added: “The group has become bigger than we ever expected but we’ve met a lot of amazing people and made so many friends.”
The group does more than find rubbish too.
Earlier this month it helped reunite an Iraq war veteran with precious medals that had been stolen from him five years ago.
Clean Our Patch found the medals, old coins and jewellery hidden in a pillowcase in a carrier bag during a litter pick in Plymouth.
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They were handed to police who traced them to veteran Peter ‘Mitch’ Mitchell.
After they were returned to him an emotional Mr Mitchell said: “I would like to say one is humbled by the volunteer litter pickers who despite challenging times chose to return their findings and generously dedicate their time to clean up after us.”
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