The Rolling Stones are having large oak trees installed near the stage at Hyde Park for their show Saturday.
The band will perform at the central London venue where they bid farewell to late guitarist Brian Jones just two days after the musician's 1969 death.
UK newspaper The Sun reports the rockers are re-creating the gig in excruciating detail.
Photos of the site under construction show a pair of 70-foot-tall model trees flanking either side of the stage as crews buzz around the set.
Apparently the lush greenery was essential in helping Mick Jagger, Keith Richards and Charlie Watts to relive the moment with Ronnie Wood, who eventually replaced Jones.
"When Mick and the band looked out from the stage back in the Sixties all they could see was a sea of people and a load of trees, but many of those have been cleared or replanted since. So they want to recreate the woodland," a source said.
"The two oak trees either side are absolutely massive. They want it to look as authentic as possible."
The Stones' performance nearly 44 years ago famously featured frontman Mick reading a poem in tribute to his late bandmate, while a field of concertgoers saw thousands of butterflies released from the stage.
Mick recently hinted he may dig out the white gown he wore for the show all those years ago.
"You never know. I can still get into it. I can still just about get into the zippers. I tend to choose my dresses at the last minute," he said.