Inca Island in the Sky (Full Episode) | Lost Cities with Albert Lin

Machu Picchu: A Ceremonial City of the Inca 00:04

Machu Picchu was once a vast ceremonial city, the crowning glory of the Inca Empire.

• Machu Picchu, built in the mid 15th century, is an iconic site in the Andes, yet its origins remain a mystery steeped in history.

• It represents a significant achievement in Inca architecture and design, showcasing the remarkable capabilities of the civilization.

• This royal city is noted for its strategic location high above the sacred valley of Peru, highlighting the Incas' reverence for the mountainous landscape, which they perceived as divine.

The Genius of Inca Engineering 02:19

The architecture of Machu Picchu includes vertical terracing, wide open plazas, grand temples, and ceremonial doorways.

• The Inca's mastery in stone masonry is evident in the precision of their construction, where stones fit together so tightly that not even a razor blade can fit between them.

• This level of craftsmanship underscores the monumental effort and ingenuity of the Inca civilization, reflecting their sophisticated engineering skills.

Exploring Pre-Inca Civilizations 03:46

The journey to uncover the origins of Machu Picchu challenges me to investigate evidence of the pre-Inca tribes that inhabited Peru.

• As Albert Lin investigates, he encounters the remains of pre-Inca civilizations, examining the historic presence of smaller, competing tribes that existed before the Inca Empire.

• The archaeological quest leads him and his team to a KET village where the language spoken by the older generation still echoes the culture of the Inca Empire.

Uncovering Evidence of the Past 09:22

We are using LIDAR to strip away vegetation digitally and reveal what lies beneath the overgrowth.

• With the help of advanced technology, Albert Lin aims to find clues about what came before Machu Picchu.

• The LIDAR scanning reveals a network of anomalies that might indicate the presence of structures and terraces once used by earlier civilizations.

• This technique allows for a clearer view of potential ancient habitation sites that are hidden beneath thick jungle vegetation.

Discovering Ancient Burial Sites 13:26

These Chullpas would have served as houses for the dead, representing the traditions of pre-Inca cultures.

• The discovery of Chullpas—circular, tomb-like structures—provides insight into the burial practices of the pre-Inca civilizations, believed to date back to around 1000 AD.

• The presence of these burial sites indicates a complex relationship with death, as the structures were designed for access by the living to commune with their ancestors, suggesting that death was not the end but a continuation of the bond between the living and the deceased.

Inca Structures and Their Symbolism 15:10

"The Inca were essentially saying we are here and this is ours now."

• The video discusses the discovery of pre-Inca and Inca square structures in a mountainous region, which were built adjacent to tombs from earlier civilizations.

• The placement of Inca structures shows a respect for former civilizations while asserting their own dominance.

• The Inca aimed to make a political statement through their architecture, indicating that while they honor their ancestors, their presence is now more significant.

The Cult of Wiota and its Origins 17:20

"Religion was at the heart of Inca life."

• The narrative shifts to the origins of Machu Picchu and its connection to the Inca belief system, particularly focusing on the cult of Wiota, a Creator God predating the Inca.

• A document from the Spanish Chronicles describes the encounter between the cult and the indigenous people, who initially resisted but were punished for their defiance.

• This historical perspective raises questions about how the Inca drew inspiration from natural events, potentially explaining their religious narratives.

The Volcanic Landscape and Its Significance 18:31

"Perhaps the key to unlocking the origins of Machu Picchu rests in a belief system hidden amongst the lava flow."

• The exploration takes viewers to a volcano, Kin Saata, whose last eruption occurred a few thousand years ago, revealing the geological forces that might have inspired both fear and reverence among ancient peoples.

• The discovery around the summit aims to find evidence that this site was sacred, indicating that earlier civilizations may have worshipped here before the Inca established their authority.

The Inca's Architectural Power 22:54

"The Inca rulers decided that the remembrance should be greater and ordered the erection of a large building."

• Evidence suggests that the Inca would often integrate aspects of previous belief systems into their own, constructing larger and more impressive monuments to symbolize their power.

• Structures built around the cult of Wiota reflect this strategy, as they repurposed and expanded upon earlier sites, demonstrating both respect for the past and a desire to dominate the narrative of history.

Mysteries of the Mountains and Future Exploration 28:50

"What if we take our technology and try to scan the entire mountaintop to reveal every little piece of evidence?"

• As the expedition progresses, there is a focus on using advanced technology to scan the mountaintop that may hold pre-Inca activity.

• The mountainous region is viewed as sacred not only by the Inca but by earlier peoples, who likely believed that they descended from these great natural monuments.

• The aim is to uncover hidden histories and stories, illuminating the significance of these high-altitude structures in the broader context of Inca civilization.

Aerial Survey Challenges at High Altitudes 32:52

"We have never used our drone-based LiDAR at an altitude of 13,000 feet before."

• Alberto Lin and his team face significant challenges while conducting an aerial survey in extreme altitudes. The drone equipped with high-altitude props must navigate thin air, making flying tricky and increasing the risk of losing the drone to sheer drops. A successful survey could allow them to see beneath vegetation and uncover hidden structures.

Discovery of Ancient Features 34:46

"The aerial LiDAR reveals signatures of Inca features in this area."

• Upon processing the data from the drone, the team uncovers intriguing features that suggest they may have found Inca structures. They aim to identify circular features that may point to the foundations of ancient buildings, highlighting a potential pre-Inca existence in the area. The combination of machine learning and computer vision will assist them in pinpointing these structures.

Ground Truthing the Findings 37:09

"We're searching for the circular structures revealed by the LiDAR."

• The team embarks on a ground truthing mission to investigate the features identified by the LiDAR. They discover pottery fragments, including signs of pre-Inca civilization, indicating that the area was once inhabited. The ceramics, due to their durability, help provide clues about the past, reinforcing that they are examining a site of historical significance.

Residential Area and Urban Features 39:57

"Could this be the residential area for this entire site?"

• The investigation reveals what seems to be a residential area dated pre-Inca. Structures such as circular pits and plazas suggest a well-organized community that existed here long before the Incas claimed the territory. The findings indicate that the inland location served as both a settlement and a social hub.

Evolution of Cultural Beliefs 42:18

"There is a belief system that threads through time here."

• The narrative ties back beliefs held by the inhabitants to their connection with nature and the mountains. This cultural lineage likely influenced the architecture observed today in the remains of this ancient civilization, revealing the depth of their relationship with the environment. The transition from pre-Inca to Inca reveals the evolving intricacies of community life and architectural sophistication.