With the only tunnel to the village sealed off, Akira and the others decide to cut through the forest and cross the mountain. Along the way, they run into a man who is constructing a treehouse. Akira’s eyes sparkle as he offers his assistance.
What’s this feeling of nostalgia?
ما شعور الحنين هذا؟
Wie kommt das nur?
¿Por qué siento nostalgia?
-¿Qué esta nostalgia?
-Cierto.
Chissà perché! 
Que nostalgia é essa?
Интересно почему?