'The Eiffel Tower is made of 18,038 pieces that are held together by 2.5 million of these metal pins'
rivets
R: The Eiffel Tower is made of 18,038 pieces that are held together by 2.5 million of these metal pins
The Eiffel Tower is made of 18,038 pieces that are held together by 2.5 million of these metal pins
The Eiffel Tower is made of 18,038 pieces that are held together by 2.5 million of these metal pins
"R"
rivets
"R"