Mục này rất hay anh ạ, anh cứ tiếp tục.
Góp vui với anh:
(highlight of "Bangkok 2010" was the world's first postage stamps made from Thai silk.
About 20,000 stamps had been produced, consuming nearly 5,500 meters of silk.
The peacock emblem was granted by Her Majesty the Queen Sirikit to serve as a guarantee of the quality of Thai silk being used as stamp material.)