Nothing says ray tracing like reflections

At the Gamescon conference in Cologne Germany Nvidia amazed the crowds with almost a dozen new games that have used ray tracing to enhance their story and overall appearance.  One of the tricks to show off ray racing is to use highly reflective surface such as a window, an automobile, a wet sidewalk, or a still pond. Look not at, but into the reflections on the wet floor (Source: Synched: Off Planet)   Nvidia showed nine games that have employed ray tracing, and they all look truly amazing. You can see a mirror-like reflection in the water with ray tracing