If you mean the unnaturally bright green landscape, it's from this ride.
http://www.strava.com/activities/91011213
And it's just here, judging by those trees in the middle distance.
https://maps.google.co.uk/maps?q=sewardstone+road&ll=51.712012,0.044222&spn=0.000566,0.001552&oe=utf-8&client=firefox-a&channel=fflb&hnear=Sewardstone+Rd,+Waltham+Abbey,+London+E4+7RQ,+United+Kingdom&t=h&z=20&layer=c&cbll=51.712012,0.044222&panoid=rtN5Imji9BeoPOhRNX6r_g&cbp=12,39.64,,0,0.65
@BareNecessities started
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If you mean the unnaturally bright green landscape, it's from this ride.
http://www.strava.com/activities/91011213
And it's just here, judging by those trees in the middle distance.
https://maps.google.co.uk/maps?q=sewardstone+road&ll=51.712012,0.044222&spn=0.000566,0.001552&oe=utf-8&client=firefox-a&channel=fflb&hnear=Sewardstone+Rd,+Waltham+Abbey,+London+E4+7RQ,+United+Kingdom&t=h&z=20&layer=c&cbll=51.712012,0.044222&panoid=rtN5Imji9BeoPOhRNX6r_g&cbp=12,39.64,,0,0.65