Have you noticed how McLaren unveiled the 675LT at the 2015 Geneva Motor Show, but it has yet to take it out for a spin on public roads? Sure, there is the possibility that car paparazzi might have missed it, but that’s pretty unlikely. Whatever the case, the 675LT was just spied testing on Spa Francorchamps (where else, huh?), a sign that the Woking-based crew is still honing the long-tailed version of the 650S. The vehicle spied up close in the pit lane is wearing McLaren’s familiar black-white camouflage, as well as "prototype vehicle" lettering on the side skirts. Nothing surprising here, as McLaren is known to continue testing months after the cars is publicly introduced.