The word 'shy' in Spanish is 'reservado' for a boy and 'reservada' for a girl. However, 'reservado' mean reserved, which is a synonym of shy. :)
The Peña de los Mazos is 1,473 months high and is located in the Picos de Europa. On the other hand, the Everest peak has a height of 8,848 meters and is between China and Nepal. He uses fractions to check the decks at six times smaller than Everest (clue 491 is a prime number).