Romania is a Carpathian country. Which are the mountains that cross over its territory?

In Romania, one can sunbathe and swim in :

The river that springs from the Black Forest Mountains and crosses over 10 countries, including Romania, is :

Romanian folk dance:

The inventor of the fountain pen is the Romanian educator and mathematician :

Romanian athlete who received the first perfect 10 in the history of gymnastics :

Simona Halep, former no.1 in the world, is a Romanian ________ player.

The longest love poem in the world, “ The Evening Star “ (98 stanzas), was written by the Romanian poet :

Bran Castle has earned its international fame as :