[2026] PTE Academic Listening - Fill in the Blanks (Type In)

Archaeological sites provide invaluable into the daily lives of ancient civilizations. However, many of these locations are currently threatened by rapid urban and climate change. To protect our shared heritage, researchers are now utilizing sensing technologies such as LiDAR. These tools allow archaeologists to map hidden structures beneath the soil without any physical . Such non-invasive techniques preserve the of the site while revealing complex urban layouts. Ensuring the of these treasures requires international funding and strict legal protections.