A video shows the last night out a man went on with his best friend before he died at the age of 37.
David Rawsthorne shared the video from four years ago before his friend, Ben, died.
Ben Smith-Crallan from Southport died in June 2018 after falling into the lake at Botanic Gardens, Churchtown. He cut his leg and quickly became ill.
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Ben developed a rare bacterial infection from the cut.
The infection first caused a blister to appear on his leg before the problem escalated and saw Ben being placed into a coma.
Eventually, the 37-year-old had to have his leg amputated before he died from the infection.
David has now shared a video of his best friend on their final night out before his death.
David, 43, told the ECHO: "Me and Ben became friends as teenagers, we met at Stanley High school, but our friendship became best friends status in 2001.
"At this time a fair few of us all hung around together and regularly met on Saturday afternoons at Maloney's in Southport and often stayed in until closing time at which point we'd venture over to Waverley's, the Republic bar, Springbok trekkers etc, in those days we could easily do a club crawl with no hangovers.
"In November 2001 we went on holiday to Tenerife, it was brilliant.
"Me and Ben basically just laughed and laughed for the majority of the time and in between would send each other inane text messages to each other, in my mind we were kindred spirits and shared a bond that you only have with a best friend.
"We stood by each other through good times and bad. Ben was the most loyal friend anybody could ask for and not a day goes by that I don't miss him He was more like a brother to me.
"The video of us in Maloneys in 2017 was our last time 'out-out' before his tragic death six months later. We were trying to relive our days in our 20s and had a good laugh but we felt like pensioners!"
David said he visits Ben's grave twice a year, on Christmas Day and on Ben's birthday, and he often sits at Ben's memorial bench in Botanic Gardens in Churchtown throughout the year.
David said: "I visit Ben's grave only on Christmas day and his birthday, the rest of the year I like to go into the Botanic Gardens and sit at his memorial bench to remember him. It's my friendship with Ben that inspired me to start the campaign for the Botanic Gardens Lake to be cleaned up.
"Ben loved all genres of music but his biggest passion was definitely Pink Floyd, and over the years I became a big fan of them myself. I rarely listen to them anymore as it's a painful reminder that Ben isn't here anymore, we used to sing together at the top of our voices so it's not the same hearing it alone."
David remembers the day Ben died vividly, with him determined to say his goodbyes before he passed away in his hospital bed.
David recalled the day: "On the day Ben passed away I got the call to say he wasn't going to pull through and to go and say my goodbyes. It was obviously the most painful thing I've ever had to do.
"When I got to his bed he put his arms out to me, it was so moving that he regained consciousness long enough to acknowledge I was there. He'd been in an induced coma for over three weeks and I often wonder what he was trying to say to me.
"He couldn't talk as was full of tubes, he lost consciousness again and died a few hours later.
"Three-and-a-half years later I still find it hard to accept he isn't here anymore - 37 is absolutely no age to die."
Since his death, David and Ben's family have devoted a massive amount of time and effort to raising money in his name.
The donations have been used to help clean the Botanic Gardens lake and David even hopes to encourage people to create funds for other areas of Southport.
The campaign, called Make a change for Ben, is a nod to Ben's love for Michael Jackson.
To donate and read more about the fundraiser, click here.
David also has a permanent reminder of his best friend's life, with a tattoo dedicated to the music and sport loving friend he lost.
The tattoo says "shine on you crazy diamond".
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