1. Zaisan Memorial is a historical monument located in Ulaanbaatar, Mongolia. It was built by the Soviet Union to commemorate the Soviet and Mongolian cooperation during World War II. The monument sits on a hill and offers a panoramic view of the city. The memorial itself consists of a circular memorial painting that depicts scenes from Mongolian and Russian history, as well as sculptures and inscriptions honoring the fallen soldiers.

2. The Zaisan Memorial is open to visitors every day from morning until evening. The exact working hours may vary, so it is recommended to check with the local tourism office for the most up-to-date information. Unfortunately, a phone number for the memorial could not be provided.

3. There is no entrance fee to visit the Zaisan Memorial, making it a popular attraction for both tourists and locals. Visitors can easily reach the memorial by taking a taxi or public transportation. It is located about 4.8 kilometers south of the city center, so it is not difficult to reach.