Home » News » Mysterious Concrete Embankment Emerges from the Sea, Captivating the World with Its Viral Appearance

Mysterious Concrete Embankment Emerges from the Sea, Captivating the World with Its Viral Appearance

by James Carter Senior News Editor

Concrete Seawall in Cilincing sparks Concerns Among Local Fishermen

A recently constructed concrete embankment along the coast of Cilincing, North Jakarta, is causing disruption for local fishermen, raising questions about its origin and purpose. Officials are clarifying its status.


Embankment Disrupts Traditional Fishing Routes

The appearance of a roughly 2-to-3-kilometer-long concrete structure in the Cilincing coastal waters has ignited debate after a video circulated widely online. fishermen are claiming the embankment is obstructing established routes, forcing them to navigate further offshore to reach fishing grounds.

One fisherman voiced concerns on the Instagram page @cilincinginfo, stating that the structure significantly complicates passage and necessitates longer, more challenging journeys to sustain their livelihood and locate fish.


A fisherman shared his concerns about the new embankment on social media.

Government Agencies Address the Situation

The Indonesian Ministry of Public Works has asserted that the Cilincing embankment project is not currently under its jurisdiction. Spokesperson Aisyah Zakiyyah confirmed this information on Wednesday, September 10, 2025.

Furthermore,the DKI Jakarta Provincial Government has stated that the concrete structure is not integrated into the National Capital Integrated Coastal Advancement (NCICD) project.Ciko Tricanescoro, Head of Rob Control and Coastal Development within the DKI Jakarta SDA Office, confirmed these details.

Alfan Widyastanto, Chairperson of the DKI Jakarta Water Resources Office of Rob Control Planning Group and Coastal Development, added that the authorities did not issue any permits for the construction and have no authority over the embankment’s creation.

Understanding Coastal Development in Jakarta

Jakarta’s coastal areas face important challenges, including land subsidence and the threat of rising sea levels. The NCICD project is a massive undertaking designed to mitigate these risks, but it’s clear that this particular embankment falls outside its scope. According to a report by the Ministry of Marine Affairs and Fisheries, indonesia loses an estimated 500 hectares of coastline each year due to erosion and sinking land.

Project Agency Responsible Scope
NCICD Ministry of Marine Affairs and Fisheries Integrated coastal development to combat land subsidence and rising sea levels.
Cilincing Embankment Unknown Currently under investigation; not part of NCICD.

the Importance of Coastal Management

effective coastal management is crucial for protecting communities and ecosystems. This includes careful planning, environmental impact assessments, and consultation with local stakeholders. Unauthorized construction, like the Cilincing embankment, can have unintended consequences for marine life, fishing industries, and coastal resilience.

Did you no? Indonesia, being an archipelago of over 17,000 islands, has one of the longest coastlines in the world, making it particularly vulnerable to the effects of climate change and coastal erosion.

Frequently Asked questions About the Cilincing embankment

  • What is the purpose of the embankment? The purpose of the embankment is currently unknown, and authorities are investigating.
  • is the embankment part of the NCICD project? No,the DKI Jakarta Provincial Government has confirmed it is not.
  • Who authorized the construction of the embankment? This remains under investigation, as no permits have been issued.
  • How does the embankment impact local fishermen? It disrupts traditional fishing routes, requiring fishermen to travel further to reach their grounds.
  • What steps are being taken to address the issue? Authorities are investigating the origin and purpose of the embankment.

what are your thoughts on the construction of this embankment? Share your opinions in the comments below!


What materials within the concrete could be carbon dated to estimate the structure’s age?

Mysterious concrete Embankment Emerges from the Sea, Captivating the World wiht Its Viral Appearance

The Enigmatic Structure: What We Know So Far

Over the past week, a remarkable and perplexing sight has captured global attention: a considerable concrete embankment rising from the sea off the coast of[Location-[Location-insert specific location if known, otherwise use a general region like “the North Sea”]. Images and videos circulating widely on social media platforms like X (formerly Twitter),TikTok,and Instagram show a seemingly artificial structure,sparking intense speculation about its origin and purpose. The initial viral spread focused on the sheer mystery – what is this thing? – and the impressive scale of the concrete construction.

The structure, estimated to be[Dimensions-[Dimensions-insert estimated length, width, and height if available], appears to be a solid, wave-battered mass of cement and aggregate. It’s crucial to understand the difference: as highlighted in resources like Baidu Zhidao [https://zhidao.baidu.com/question/364648327.html], cement is the ingredient – the binding agent – while concrete is the material created when cement is mixed with water and aggregates like sand and gravel. This embankment is unequivocally concrete.

Theories and Speculation: From WWII Relics to Modern Infrastructure

The internet is abuzz with theories. Here’s a breakdown of the most prominent:

WWII Defense Structures: A leading hypothesis centers around remnants of wartime defenses. During World War II, coastal regions were heavily fortified with concrete structures designed to repel invasion. Many of these were deliberately demolished after the war, but some may have been partially submerged or overlooked. This is a strong contender, notably if the location has a meaningful WWII history.

Failed Coastal Defense Project: Another theory suggests a more recent, abandoned coastal defense or erosion control project. Large-scale infrastructure projects are often subject to delays, funding cuts, or engineering challenges, leading to incomplete or abandoned structures.

Artificial Reef Base: Some speculate it could be the foundation for a planned artificial reef, intended to promote marine life and biodiversity. Though, the sheer mass of the concrete seems disproportionate for a typical reef base.

Submerged Breakwater: A possibility is that it was originally intended as a breakwater to protect a harbor or coastline, but its purpose was altered or abandoned.

Unidentified Submerged Structure: The most intriguing, and least likely, theory is that it represents a fully unknown, previously undocumented structure.

Investigating the Concrete: Material Analysis and age Estimation

Determining the age of the concrete is paramount to understanding its origins. Several methods can be employed:

  1. Core Sampling: Extracting core samples from the structure allows for laboratory analysis of the cement composition and aggregate types. This can provide clues about the manufacturing techniques and materials available at the time of construction.
  2. Carbon Dating: While not directly applicable to the concrete itself, organic materials trapped within* the concrete (e.g., wood, plant matter) can be carbon dated to provide a timeframe.
  3. Past Records Review: Searching through historical maps, naval charts, and construction records may reveal information about planned or existing structures in the area.
  4. Marine Growth Analysis: Examining the types and density of marine organisms (barnacles, algae, etc.) growing on the concrete can provide an estimate of how long it has been submerged.

The type of cement used is also crucial.Different types of cement were prevalent in different eras. portland cement, the most common type today, became widely available in the early 20th century. Earlier structures may have used Roman cement or other historical binding agents.

The Role of Erosion and Marine Environment

The harsh marine environment plays a significant role in the structure’s current state. Wave action, saltwater corrosion, and biofouling (the accumulation of marine organisms) all contribute to the degradation of concrete over time.Understanding the rate

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