About fifty potential silk cultural heritage corridors have been identified, with twenty corridors considered a central priority, while three corridors within the five Central Asian countries and China are recommended as a top priority for the first phase of the serial and cross-border world heritage of the Silk Roads at the 2nd meeting of the Coordinating Committee of the World Series of Silk Roads. silk. Successfully convened in Ashgabat, Turkmenistan, from 3 to 6 May 2011. The meeting was jointly organized by the UNESCO World Heritage Centre, the UNESCO Office in Tehran, the Ministry of Foreign Affairs of Turkmenistan, the Turkmenistan National Commission for UNESCO and the Ministry of Culture, Television and Radio of Turkmenistan. The GOI requested permission to accede to the Agreement in March 2016.