Skyroot Citadel

A massive tree-engineered arcology rising above the clouds, its bark embedded with organic solar panels. People walk along moss-covered platforms in the treetops under a luminous, shimmering sky

A colossal, ancient tree-engineered arcology pierces the sky, its gnarled, twisted trunk supporting a labyrinthine network of moss-draped, curved platforms and aerial walkways, where people in flowing, earth-toned attire stroll, surrounded by a soft, ethereal glow. The tree's rugged bark is embedded ...