From the world's longest tunnels to the world's most advanced skyscraper, Building Giants reveals the extraordinary innovations that help record-breaking superstructures to be built, and unc... Read allFrom the world's longest tunnels to the world's most advanced skyscraper, Building Giants reveals the extraordinary innovations that help record-breaking superstructures to be built, and uncovers the inner secrets of how they work.From the world's longest tunnels to the world's most advanced skyscraper, Building Giants reveals the extraordinary innovations that help record-breaking superstructures to be built, and uncovers the inner secrets of how they work.