Q: This task is about reading the given passage and construct a question about the information present in the passage. Construct a question in such a way that (i) it is unambiguous, (ii) it is answerable from the passage, (iii) its answer is unique (iv) its answer is a continuous text span from the paragraph. Avoid creating questions that (i) can be answered correctly without actually understanding the paragraph and (ii) uses same words or phrases given in the passage.
On the east side of the main park area is the National Museum of Visual Arts. On this side, a very popular street market takes place every Sunday. On the north side is an artificial lake with a little castle housing a municipal library for children. An area to its west is used as an open-air exhibition of photography. West of the park, across the coastal avenue Rambla Presidente Wilson, stretches Ramirez Beach. Directly west of the main park are, and belonging to Parque Rodó barrio, is the former Parque Hotel, now called Edifício Mercosur, seat of the parliament of the members countries of the Mercosur. During the guerilla war the Tupamaros frequently attacked buildings in this area, including the old hotel.
A:
What is on the east side of the park?