its obviously portgageez folk dance,
The national dance of China is called the "nali dance".
no national dance
"malhao" is the word that occurs in many songs to which one can dance. traditional folclore groups (often called "ranchos") perform these dances. hence i guess that the national dance is called "malhao" (as I'm using a non-portuguese computer, please note that above the letter "a" in "malhao" a tilde (a wavy line) should be put).
"Tinikling" is the national dance of the Philippines.
Attan is the national dance of Afghanistan.
The national dance of Ecuador is the Marimba.
The national dance of Argentina is the "Tango."
Spain's national dance is the Flamenco
Kathak is the national dance of Pakistan
fijis national dance is meh-kay
The dance and song fado.