The events at Bunhill Fields in the City of London were part of a new initiative called Green Garden Lunchtimes, which ran at midday every day for a week.
"A different green theme aimed to encouraging people to enjoy green space in the area and promote local businesses," said a representative.
"They also aimed to improve knowledge of London’s wildlife, promote sustainable transport and healthy living, and increase awareness of the history of City gardens.
A history tour revealed past secrets of Bunhill Fields, a famous Non-Conformist burial ground.
London Independent Photography group gave a free drop-in workshop on basic photography tips and how to take wildlife and landscape shots.
Meanwhile Look Mum No Hands! local bike workshop gave people’s bikes the once-over and answered bike maintenance questions.
Beginners’ lessons in t'ai chi and Qi-Gong held in a gazebo aimed helped people relax, focus the mind and improve co-ordination.
The London Wildlife Trust gave a talk on London’s urban wildlife and advised on how best to improve biodiversity in your garden.