There r total 4 incidents .first encounter at lake mead in las vegas second happened few months later behind my house there's a hill with a cave in between at around 3 am I observed a bright huge orb gliding across Infront of the cave n i saw 2 tall skeleton like creatues floating towards into the cave n I shined my high beam light at it n it looked bck so I went back inside my house.3 rd incident was last year at around 4 pm on top of my house at southern Highlands 4 objects.1 looked like a diamond sparkling n another 3 were like balloons changing shape n colour n all 4 difted away as soon as we point our fingers at them n lastly I drove bck 2 days later bck from Vegas to Florida in my Penske truck n somewhere in Mississippi Alabama around midnight saw a triangular shaped UFO sitting on the bridge waiting for me.as I got closer n on the bridge it just lifted up n it rose up