Exhibition on world heritages in Da Nang City; First book fair of the year opens in HCMC; "Don't Burn" moves audiences in Argentina; Star-studded concert in memory of Trinh Cong Son

VietNamNet Bridge - This is the first time scientists have discovered an ancient rock dump of the Ho Dynasty, with relatively intact rock cannonballs.

VietNamNet Bridge - With 64 vivid pictures by various photographers featuring the nature, animals and humans in the Cat Tien National Park, the photo exhibition "Cat Tien Impressionism" that opened in HCM City on December 16 has fascinated visitors.