The Landslide position is a rather challenging position.
To get into this sex position, the receiving partner lies on their stomach and sits upright on their elbows. Legs should be straight back and slightly apart. The penetrating partner is behind the receiving partner with one leg on either side of the receiving partner. The penetrating partner also places a hand on each side of the receiver's body for support. The penetrating partner leans back while penetrating their partner from behind.