"The Leaves of the Trees" art installation by American landscape architect Peter Walker was staged in Southwell Minster in England on May 10, 2021. /CFP

It is designed to honor those that passed away during the COVID-19 pandemic and allow everyone to take a moment to think about their loved ones. /CFP

A total of 5,000 steel leaves emblazoned with the word hope are laid out on the floor, imitating autumn leaves falling from the trees. /CFP

According to the introduction on Walker's official website, the leaves are in the shape of a sycamore maple leaf, symbolizing strength, protection, eternity and clarity. Steel was chosen as the material to remind people of resilience and collective strength, the site said. /CFP