TRES CANTOS, Spain, Sept 19, 2025 (BSS/AFP) - In a cavernous studio outside Madrid teeming with TV industry stars, Netflix is blending old knowledge with modern technology to try to concoct a successor to its global hit "Money Heist". The dystopia "Billionaires' Bunker", to be released on Friday and set in a gigantic underground fortress offering gyms, a garden and a fancy restaurant, is the US streaming giant's latest Spanish superproduction. The aim is to conjure the magic of "Money Heist", a series about a group of wily robbers who hold up the Spanish national mint, which was Netflix's first non-English-language global success after launching in 2017. Migue Amoedo, visual artistic director of "Billionaires' Bunker", described "Money Heist" as "the...