Related Clues:

• Arches
• Mountains, so to speak
• Camel features
• Bactrian's pair
• Bison features
• Rounded protuberances
• Bactrian camel features
• Features of dromedaries
• Features of camels
• Pair on a Bactrian's back
• Wildebeest features
• Camel's pair
• Dromedary features
• Bactrian camel's pair
• Camel-back features