the inside lower horizontal surface (as of a room, hallway, tent, or other structure)

the inside lower horizontal surface (as of a room, hallway, tent, or other structure)

the inside lower horizontal surface (as of a room, hallway, tent, or other structure)

the inside lower horizontal surface (as of a room, hallway, tent, or other structure)

the inside lower horizontal surface (as of a room, hallway, tent, or other structure)

the inside lower horizontal surface (as of a room, hallway, tent, or other structure)

the inside lower horizontal surface (as of a room, hallway, tent, or other structure)

a challenge to defend what someone has said

a challenge to defend what someone has said

a challenge to defend what someone has said