I was working on a high rise building site a number of years ago. It was my first real job. The building was getting to tbe final phases we were sweeping and removing building waste. One day the guy i was working said come with me. He said look over there to the apartment building opposite. I looked over and there was a blonde woman in her early 30s fully naked. She was stunning and walked in and out of her apartment and onto the balcany. She clearly liked being watched. My work mate said i have being watching her for the last few days. I even tossed myself off watching her yesterday. I asked do you think she saw you. He said yeah she rubbed baby oil onto her tits as i did it. He said can you cover for me for a bit. I am going over to see if i can fuck her. He said what floor you reckon that is. I said the 10th. He said cool and went over to find her. I watched her sit on the balcany and sun herself and watched her run cream onto her body. She got up ever so often so i saw her ass and pussy. After 30 minutes or so there was no sign of my work mate finding her. My foreman came into the room. He said where is Jacko. I said an engineer sent him off for supplies. The foreman never saw the naked woman. He went away. When i looked back Jacko was over on the balcany drinking a beer with the naked girl. They were laughing. She brought him out a seat and he gave me the tumbs up. I kept watching as they chatted. She then bent dowm in front of Jacko. I said fuck me she isnt is she before relalasing i was chatting to myself. She is i said as she took out his cock and started giving him a bj. It was weird but hot seeing this. My own cock hardened in excitement. After she sucked him for a few minutes she took off his shorts and tshirt and she mounted his cock. She rode him hard and fast it was the first time i had seen people having sex. I had the fear of being caught watching and the excitement. After a couple of minutes. Jacko started fucking her hard from behind. She clearly loved that and her face showed how much she liked it. She grabbed her tits. Jacko pulled out and she turned around. He came all over her tits. I watched as he finished her beer and she cleaned the cum of her tits after he left. He got back and we laughed and joked about what had happened. He told me she said i was cute and said i should go over tomorrow.