1. A natural or geographic environment that has been significantly changed or modified by human activity or natural forces
The dam construction created an altered landscape that transformed the valley.
A construção da barragem criou uma paisagem alterada que transformou o vale.
2. A changed or modified scenery or terrain, particularly in artistic, urban planning, or environmental contexts
The artist depicted an altered landscape with surreal elements.
O artista retratou uma paisagem alterada com elementos surrealistas.