If you stand in one spot and wait, things will eventually happen.
Just pre focus, set the exposure and wait.
And if your really lucky, well not that lucky because the majority did, people will look at you and give you that 'ugh!?' face.
My personal blog documenting my fun with photography. Film, Urbex, Travel, Street, My life. I'm a self confessed camera geek and this is how I let off my steam between my work as a professional photographer.