Phong Nha-Kẻ Bàng, Vietnam

Phonf Nha-Ke Bang is a national park and UNESCO WHS in north-central Vietnam. The core zone of this national park covers 857.54 km2. The park was created to protect one of thr world's who largest karst regions with 300 caves and grottoes and also protects the ecosystem of limestone forest of the Annamite Range region in north-central coast of Vietnam.

You can read here about a longst cave in the world, found in 2009. 

Thank you Johnson!

Vietnam

Vietnam is a multi-ethnic country with over fifty distinct groups (54 are recognized by the Vietnamese government), each with its own language, lifestyle, and cultural heritage. Many of the local ethnic groups are known collectively in the West as Montagnard or Degar. The largest ethnic groups are: Kinh (Viet) 86.2%, Tay 1.9%, Tai Ethnic 1.7%, Muong 1.5%, Khmer Krom (Khơ Me Crộm) 1.4%, Hoa 1.1%, Nung 1.1%, Hmong 1%, others 4.1% (1999 census). The Vietnamese term for ethnic group is người thiểu số or dân tộc thiểu số (literally "minority people").

Dear Jo, many thanks for another great card!

Hoan Kiem Lake, Vietnam

Hoan Kiem Lake is a lake in the historical center of hanoi, the capital city Vietnam. The lake is one of the major scenic spots in the city and serves as a focal point for its public life. Jo, thank you very much!