A giant white 'blimp' drew attention as it flew over San Francisco ⤵️ 📍 Identified as the Pathfinder 1, the massive helium airship was developed by LTA Research — a Silicon Valley aviation startup cofounded by Google’s Sergey Brin — and was seen conducting test flights over the city #anadoluajansi #anadoluagency #anadolu #sanfransisco #siliconvalley