You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
2008_Summer_Olympics_torch_relay

Context:
Reporters Without Borders organised several symbolic protests, including scaling the Eiffel Tower to hang a protest banner from it, and hanging an identical banner from the Notre Dame cathedral.

Question:
What did Reporters Without Borders scale in order to put a protest banner on it?

the Eiffel Tower