Voronezh Russia – A very well documented UFO landing occurred in Voronezh Russia in 1989. Dozens of people witnessed the event including many children who could all describe the event in great detail.
Seemingly something out of a sci-fi movie the witnesses describe what happened, here is a full report in the New York Times ……….. There is also a documentary here which includes interviews. The witnesses describe the aliens as giants around 10 feet tall.