#53 Efectivamente, de los primeros resultados de Google: https://keith.seas.harvard.edu/chemtrails-conspiracy-theory
The claim that there is a large-scale secret program to spray materials from aircraft is extraordinary. Yet all the evidence we have seen to date has been very weak. The most common claim is simply that aircraft contrails look “different”, without any comparative analysis. This as convincing as saying that alien beings walk among in disguise as people because some people act very strangely.
#51 Googlea esto geoingenering with planes. Tienes pa aburrirte.