[MUSIC PLAYING] SPEAKER 1: Floating is about creating a unique experience for the brain in which it's now confronted, for the first time in its existence, a lack of sensory input. SPEAKER 2: They say...
SIMON OSTROVSKY: We just arrived in Tel Aviv. We're here on the beach. It's really nice. It's deceptively nice, because 20 miles that way is the West Bank, which Israel has been occupying since 1967....