In Italo Calvino's "Invisible Cities," the phrase "Elsewhere is a negative mirror" suggests that when travelers explore new places, they reflect on their own limitations and missed opportunities. The experiences in unfamiliar locations reveal what they possess and, more importantly, what they lack, emphasizing a sense of yearning for what is unattainable.

This concept highlights the bittersweet nature of travel as a way to confront personal aspirations and regrets. As travelers immerse themselves in the beauty and complexity of different cultures, they are often reminded of their own realities, underscoring the profound impact of exploration on self-awareness and understanding.