children exploring an underground tunnel holding hands in liechtensteinklamm, austria

liechtensteinklamm liechtenstein gorge austrian alps austria children exploring tunnel adventure friends curiosity hand holding siblings rocks underground nature family outdoors walking playful together discovery cave daylight summer childhood play friendship brother sister trust journey fun exploration bonding innocence imagination wooden railing stone mystery adventurous youth companions pathway tourism hands two young adventuring rocky dimly lit austria captures sense natural setting