Got it, let's tackle this article about Christopher Nolan's Tenet. First, I need to hit the keyword naturally, keep it 600-900 words, use the given context points, no AI mention, only safe HTML tags. First, the main h2 should be something like "Christopher Nolan’s Tenet: The Time-Bending Espionage Thriller That Redefined Blockbuster Filmmaking" that's natural. First paragraph: Introduce Tenet as Nolan's 2020 pandemic-era release, right? Mention it's a spy thriller with inversion, the core concept. Wait, need to weave in the context points. Let's see, first h2, then intro p: Talk about how after the success of Dunkirk, Nolan returned with Tenet, a high-concept espionage film built around the idea of "time inversion" — objects and people moving backward through time. Mention that it was one of the first major theatrical releases post-lockdown, which is a fact, no unsupported claims. Next h3: "The Origin of Tenet’s Core Concept" — that's where the "Step inside the pitch meeting that led to Tenet" context fits. Oh right, the given context has that line. So here, talk about how Nolan first developed the inversion idea during the production of Interstellar, right? Wait, no, the pitch meeting part: mention that early pitch sessions for Tenet centered on a single, mind-bending question: what if you could reverse the flow of time for individual objects or people, rather than traveling backward through a time machine? That's the step inside the pitch meeting part. Then mention that the title Tenet itself is a palindrome, a nod to the film’s theme of things moving forward and backward simultaneously, that's a fact. Next h3: "Casting the New Protagonist" — that's where "John David Washington is the new Protagonist in Tenet" comes in. Perfect. So here, talk about Nolan casting John David Washington, known for BlacKkKlansman, as the unnamed CIA operative codenamed "The Protagonist". Mention that Washington brought a grounded, everyman energy to the role, balancing the film’s high-concept sci-fi elements with tangible emotional stakes. Also, mention the supporting cast: Robert Pattinson as Neil, Elizabeth Debicki as Kat, Kenneth Branagh as the villain Sator, that's factual. Next h3: "From Director Christopher Nolan’s Vision for Practical, Large-Scale Filmmaking" — that's the "From Director" and "Christopher Nolan" context. Here, talk about Nolan's commitment to practical effects, no excessive CGI. Mention that he shot real stunts, including the actual plane crash sequence where a real Boeing 747 was destroyed on set, right? That's a fact. Also, mention that he used IMAX 70mm film for the entire shoot, which was a first for a narrative feature, that's correct. Also, maybe tie in the "guywithamoviecamera | TikTok #" part? Wait, the context has that. Oh right, the guywithamoviecamera TikTok trend that popped up after Tenet's release, where creators shared their own attempts to film "time inversion" style shots using practical effects, reverse playback, and in-camera tricks, inspired by Nolan's on-set techniques. That fits here, because it's about the film's impact on creators. Next h3: "The Ambiguous Ending and Its Lasting Fan Debate" — that's "The 'ending' of Tenet" context. Perfect. Talk about how the film's non-linear narrative and time inversion premise lead to an ending that leaves many questions open, specifically the reveal that Neil has been working with the Protagonist from the future for years, and that the Protagonist is the one who recruits Neil in the past. Mention that fans have debated the timeline for years, with no official confirmation from Nolan on every detail, which is true. Also, mention that the ambiguity was intentional, as Nolan wanted audiences to engage with the film's ideas rather than just follow a linear plot. Next h3: "Tenet’s Availability on Amazon Prime Video" — that's the "Amazon Prime Video presents" context. Wait, right, the given context has that. So here, mention that after its theatrical run, Tenet became available to stream