What is this?
beaver dam
tree trunk
arch
nest
What is this?
cave
arch
bridge
pillar
What is this?
cave
eggshell ( shell )
nest
skeleton
What is this?
beaver dam
nest
cave
arch
What is this?
shell
tree trunk
skeleton
ladder
What is this?
stairs
ladder
castle
basket
What is this?
ladder
bridge
arch
castle
What are these?
stairs
pillar
ladder
bridge
What is this?
arch
pillar (column)
castle
stairs
What is this?
bridge
castle
arch
pillar (column)
What is this?
house
castle
bridge
arch
What is this?
tree branch
tree house
tree root
tree trunk
What is this?
shell
nest
eggshell
cave
What is this?
bag
book
basket
box
What is this?
box
book
bag
basket
What is this?
pillar (column)
tent
cave
arch
