Besides cameras ,internet,video capabilities,faxes etc which allow operation from a distance,there was some evidence-not from Bob but not denied either-that they were planning on exploring areas in the USA also prior to last Sept-which is also something that could be done during the next 6 months-just as they explored another CWRN  concession below last summer-all we know from these pics is it is the desert, which extends into the USA also,though I initially assumed this was Baja. A botanist could help narrow the area down