I'm not suggesting that these were definitely made by Aliens. But there is no way that the crop circle that depicts an alien and a disc, with a binary code inside of it,
was made by men using planks of wood and some string.
I remember reading that there was a very large reward offered at the time for any one who could recreate this crop circle on camera, showing how they did it. But the reward was never claimed because nobody attempted it.
Do you think someone, or a group of people could make this alien crop circle with just some planks of wood and some string during the night?
The image has a 3D effect when viewed from the air,
a magnetic compass would 'rotate' when placed in the crop circle,
it was completed in one night,
nobody witnessed it's creation and not 1 footprint or any evidence can be found around the crop circle that suggest anyone had been near the image, let alone any evidence of a group of people making this clever crop circle,
the weave of the crops have been laid and 'damaged' in a strange, but neat layout and as far as I know, it's still a mystery as to how and who made it?
Alien Crop Circle at 1m29s:
Called: The two most important crop circles ever. No joke
Called: EIBIRU ARRIVAL DATE CONFIRMED IN A CROP CIRCLE!!
Another example of 2 strange crop circles.
Called: ALIENS MAKE CROP CIRCLES, BEST EVIDENCE EVER - Cosmic Wakening
This video includes several examples of some very strange crop circles.