As tourists, we often hear the saying "Take nothing but photos, leave nothing but footprints". But in fact, for popular cultural monuments, even photos and footsteps may indirectly cause great damage to the sites. Machu Picchu in Peru, Angkor Wat in Cambodia, and The Great Wall of China are among cultural sites that are facing such threats.

The fourth episode "World Heritage Sites in Danger" explores the threats that many world wonders are facing, as a result of natural circumstances and an overwhelming influx of tourists.

What would be left for future generations, when heritage sites with centuries of history are destroyed by tourists in mere decades? How can we all become better tourists?

Watch the two-minute animation to understand why it matters.

About "Why It Matters":

"Why It Matters"（关我什么事） is one of 10 SPH-produced short form digital video series as part of a pilot Public Service Broadcast initiative. This 8-part animation series focuses on the sights and sounds that are gradually disappearing from this world, including languages, cultures, flora and fauna.

This series is also available on the zaobao.sg website and mobile app.