Cinematic Hollywood creature feature horror sequence on a stormy Amazon river with heavy rain and dark overcast skies. A massive giant anaconda, over 60 feet long with dark green and black patterned scales, swims aggressively through murky brown water, creating huge wakes as it pursues a large two-story houseboat. On the deck, terrified passengers panic: a woman in white shirt runs screaming, an older man with white hair gestures wildly, a young person in tie-dye hoodie screams in fear, and a muscular man in black shirt points and shouts. The enormous anaconda suddenly lunges, coils powerfully around the boat, and violently capsizes it, sending people flying into the turbulent water. Dynamic shots include high-angle aerial views of the chase, chaotic deck panic with heavy rain, dramatic low-angle shots of the anaconda rising and striking, and intense capsizing action with massive splashes and waves. Photorealistic creature details, realistic water physics, cinematic storm lighting, shaky intense camera work, high-tension survival horror atmosphere. 14-second thrilling monster attack sequence. Cinematic horror extension sequence (15 seconds total) continuing from the capsized houseboat in a stormy jungle river with heavy rain: Shot 1 (0-2s): High-angle and underwater view as the houseboat fully capsizes. Multiple passengers fall screaming into the turbulent murky water. Show their legs and feet kicking desperately from below the surface as they struggle in the chaotic waves and splashes. Shot 2 (2-4s): The massive giant anaconda powerfully swims through the brown river water, its long patterned body coiling and gliding underwater with smooth, menacing movements, creating bubbles and currents. Shot 3 (4-7s): The giant anaconda strikes suddenly from behind, grabbing one struggling passenger underwater and dragging him down violently with massive splashes and thrashing. Shot 4 (7-10s): The young man in the colorful tie-dye hoodie swims frantically toward the muddy shore. In the background, the old man with white hair and the woman in the white shirt shout desperately, "Swim! Swim!" Shot 5 (10-15s): The old man and woman in white shirt reach the shore, look back in horror as they witness the attack. Shocked and terrified, they start running into the dense jungle. The giant anaconda swims aggressively toward the shore, its head rising from the water as the scene ends. Cinematic horror extension sequence continuing from the river bank in heavy rain: Shot 1 (0-3s): The woman in white shirt, young man in tie-dye hoodie, and old man with white hair frantically swim to the muddy shore, splashing through shallow water. They climb onto land, look back in terror as the massive giant anaconda swims aggressively toward the shore, its head rising from the water. Shot 2 (3-6s): Panicked, the three survivors run into the dense jungle. The giant anaconda reaches the shore, slithers out powerfully, and begins chasing them through the trees with fast, crushing movements. Shot 3 (6-9s): During the chase, the old man trips and falls. The anaconda closes in rapidly. He shouts desperately, “Go! Run!” while pointing toward a small rock formation. Shot 4 (9-12s): The woman in white shirt and young man in tie-dye crawl quickly through a narrow rock opening/cave. The old man stays behind to stall. The giant anaconda lunges and catches him. Shot 5 (12-15s): Inside the tight cave, the two survivors look back in horror. The anaconda forces its massive head against the small opening, jaws wide, flicking its long slithery tongue inside, trying to reach them but unable to enter due to the tiny gap. Shot 6 (15-18s): The woman in white and the young man in colorful hoodie breathe in relief inside the safe crevice, realizing they survived thanks to the old man’s sacrifice. Dramatic rain, realistic jungle atmosphere, high-tension survival horror style, photorealistic details.