In collaboration with Seiko, a starting blocks camera view was broadcast from the Khalifa International Stadium's Block Cams.[30] The intimate views from the blocks were the subject of complaint by the German Athletics Association, which said its female sprinters had not been consulted on the broadcasting of the images. The IAAF agreed to only show Block Cam images of athletes immediately prior to the starting pistol and to delete video data at other times on a daily basis.[31] Gina Lückenkemper said the technology was "unpleasant" as it captured close images of athletes' crotches in tight clothing.[32] The stadium also features an advanced lighting system, which was used in the introductions of some event finals, projecting coloured lines on to the lane boundaries and the competing athlete's names moving around the 400 m track.[33] New graphical detail of athletes' performance was provided in television coverage, including top speed of athletes in the track and jumping events, angle and release speed in the throws, and the distance of each phase of a triple jump.[30]