Tree 'Crop Circles' Sprout in Japan

There are “crop circles” popping up in forests in Japan but, contrary to what may be popular belief, they’re actually a science experiment that dates back to 1973.

According to DesignBoom, this document breaks down the forestry experiment that dealt with tree spacing. The study was intended to see how planting the cedar trees in 10-degree radial increments would affect future growth.