Éste, en respuesta al mensaje hecho en código binario enviado vía satélite por Carl Sagan en 1976, donde describía algunas singularidades del ser humano, en respuesta este crop circle donde "ellos" describen su composición, ADN, entre otras cosas... http://www.enterprisemission.com/glyph.htm
Chilbolton, UK 2002.
This one is one of the most fascinating out there. It reveals an alien face as well as a coded message. After much time was spent on decoding the message, the following statement was revealed. “Beware the bearers of FALSE gifts and their BROKEN promises. Much PAIN but still time. (Damaged word). There is GOOD out there. We OPPOSE DECEPTION. Conduit CLOSING. (Bell sound).”