(Trent Nelson | The Salt Lake Tribune) Family and friends of Mark Smith, former sexton of Salt Lake City Cemetery, gather at his grave as Salt Lake City announces the newly accredited Mark Smith Memorial Arboretum at Salt Lake City Cemetery on Saturday, Nov. 6, 2021.(Trent Nelson | The Salt Lake Tribune) Children play in the leaves under a European Beech as Salt Lake City announces the newly accredited Mark Smith Memorial Arboretum at Salt Lake City Cemetery on Saturday, Nov. 6, 2021. From left, Henley DeHart, Nora Davis, Mazie Davis, and Emma Carbine.(Trent Nelson | The Salt Lake Tribune) Tony Gliot, Urban Forest Program Manager, leads a tour under sequoia trees as Salt Lake City announces the newly accredited Mark Smith Memorial Arboretum at Salt Lake City Cemetery on Saturday, Nov. 6, 2021.