Create an image of a futuristic city built within the branches of a giant, ancient tree, where advanced scientific laboratories hover above bustling transportation hubs connected by high-tech bridges and tunnels.

Imagine a breathtaking view of a futuristic city, nestled within the sprawling branches of a colossal, ancient tree. The tree's bark is weathered, adding to its age-old charm. In the midst of this green giant are state-of-the-art scientific laboratories, floating above the cityscape like futuristic islands. They sparkle with lights, hinting at the depths of scientific exploration taking place within. Below, busy transportation hubs hum with activity, sentinels to the city's technological marvel. They are interconnected by an intricate network of bridges, tunnels, and paths, demonstrating high-tech engineering. Shining vehicles zip seamlessly through these pathways, infused with the glow of advanced technology.