Complex sentence: In Beach City, the Crystal Gems live in an ancient beachside temple, protecting the world from evil; ageless alien warriors, they project female humanoid forms from magical gemstones that are the core of their being.
Split into simpler sentences: In Beach City, the Crystal Gems live in an ancient beachside temple, protecting the world from evil. Ageless alien warriors, they project female humanoid forms from magical gemstones that are the core of their being.