The structure and ancient buildings of the three nominated city states are being inspected by experts of the International Council on Monuments and Sites (ICOMOS).
Pyu culture has been discovered through evidences from the three Pyu city states.
Besides, evidences including Pondaung and Ponnya Primates have been found in Myanmar, showing th country's rich cultural heritage and evolution through the Stone Age, the Bronze Age and the Iron Age.
Myanmar has been cooperating with the international community in striving for preservation of its cultural heritage.
The capacity building program for preservation of Myanmar's cultural heritage is being done with Italy's assistance under the supervision of the UN Educational, Scientific and Cultural Organization (UNESCO).
Myanmar Information Ministry and Italian Foreign Ministry have touched on increased cooperation in the aspects, training for human resources development of Myanmar and further cooperation in cultural and information sectors.
The capacity building programs for preservation of Myanmar cultural heritage cover three sectors, namely, on-job training to draw management plan for safeguarding cultural heritage sites in ancient Pyu and Bagan cities in need of urgent preservation, cultural heritage data management with the application of geography information system, and policy and technological assistance in the process.
Myanmar is also working in cooperation with the UNESCO to sign the Tangible Cultural Heritage Convention to win a place in the world's heritage list for the country's tangible cultural heritage.
The two sides also met on capacity building project to safeguard cultural heritage in Myanmar and an expert seminar on world heritage nomination of Pyu ancient cities.
Italian government funded 400,000 euros with a work capacity building project launched by the UNESCO for preservation of Myanmar's cultural heritage.
The project, which is aimed at developing of management and imparting of knowledge, is the first of its kind launched with the assistance of the UNESCO in a decade.
In line with the principles of World Cultural Heritage Convention, the project covers three spheres -- protection and management of cultural heritage region, adopting of Myanmar cultural heritage management and presenting its name to the list of World Culture.
With the participation of UNESCO, foreign experts will actively engage in the preservation of Srelitra Pyu city, which is home to rich Myanmar cultural heritage and Bagan, which is home to Buddha religious edifices.
It is expected to take a year for the Archeological, National Museum and Library Department of the country's Ministry of Culture to complete the tasks.