A massive treehouse research station built within a colossal ancient baobab tree at twilight, floating wooden platforms connected by rope ladders and winding staircases, scientists in lab coats collecting glowing luminescent fruits from bioluminescent branches, hand-painted watercolor textures with visible brushstrokes, dramatic upward composition through hollow trunk toward star-filled sky, volumetric soft amber and purple light rays filtering through translucent leaves, Studio Ghibli aesthetic with paper grain overlay, wondrous scientific atmosphere, rich palette of deep bark brown, luminous golden-green and soft twilight purple, rendering: raytracing global illumination volumetric lighting subsurface scattering PBR materials