Seeing with eyes wide shut: Ayahuasca inner visions ~ http://www.guardian.co.uk/science/neurophilosophy/2011/sep/23/1 …
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Seeing with eyes wide shut: Ayahuasca inner visions ~ http://www.guardian.co.uk/science/neurophilosophy/2011/sep/23/1 …