Actor Zac Efron is constructing an off-grid home in New South Wales, Australia, using sustainable materials like hemp blocks, recycled oyster shells, and agricultural waste.The two-story 'FutureCave' will feature six bedroom pods connected by an outdoor walkway, each with its own bathroom and rooftop garden.

Designed by architects Joost Bakker and Frank Burride, the structure is intended to be anti-mould, naturally fire-resistant, and promote clean air circulation.Hemp for construction and soft furnishings will come from a local farm.Efron emphasized his desire to reconnect with nature through this project, reflecting his commitment to eco-friendly living.The $2.65 million home highlights innovative approaches to sustainable architecture while balancing modern comforts with environmental responsibility.