Anitkabir construction

The government is constructing a new mausoleum to honor the founder of modern Turkey. Located on one of the highest hills around Ankara, the project involves laying foundations for a memorial that will take years to complete and require significant financial investment. Despite the high costs, the monument's splendor is intended to reflect the importance of the founder's legacy.

What is mentioned about the cost of the mausoleum?

What is the significance of the monument being built?