It's almost banal to say it, but maybe five million blogs like this may help stop anything like it ever happening again.
I found these ephemeral poppies while I was taking a last gasp walk around the site-to-be of the Olympic Park, before the barriers come down today. Watching in amusement in the battle of man Vs nature - if they don't get rid of the knotweed, it will come through everything they put down. Read more about this long forgotten and soon to be olympic-ed away site on Diamond Geezer here, here or in fact here any day this week.
See where: London Daily Photo Map