Israel is a world-class expert at building fences and walls, starting with its controversial, decade-old security barrier that seals off the occupied Palestinian West Bank and East Jerusalem from Israel proper. In this report, FT correspondent John Reed describes how Israel is now extending its system of high-tech barriers to enclose all of its external borders, providing a model that US presidential candidate Donald Trump famously says he wants to learn from. For information regarding your data privacy, visit acast.com/privacy