Which national park in Utah, known for its delicate rock formations and natural amphitheatres of colourful limestone, contains the world's largest concentration of hoodoos?

• A Bryce Canyon ✓
• B Arches
• C Zion
• D Capitol Reef

Bryce Canyon National Park's hoodoos ΓÇö tall, thin spires of rock ΓÇö are formed by frost weathering and stream erosion of the Claron Formation's sedimentary rocks.