The Great Wall (公室完全, shuāngshìngwén) is one of China’s most iconic landmarks, but for decades it has remained shrouded in mystery.

Now a team of researchers is trying to solve this mystery, and with help from a mysterious Chinese submarine, they’re going to reveal the secrets of the world’s most spectacular sea wall.

The researchers have been exploring the waters around the wall for years, using a variety of sensors and sonar to locate and capture some of the best images yet.

They’re also using an array of underwater cameras to explore the waters beneath the wall, including a remote-controlled submarine that’s been used in the past to photograph underwater scenes.

The project is part of a larger effort to map the worlds oceans using the Deepsea Technologies (DST) platform, which includes data mining, autonomous underwater vehicles (AUVs), and a remotely operated vehicle (ROV) named Deepsea Explorer.

Deepsea Technologies is a private venture that specializes in deep-sea mapping.

They use the platform to conduct deep-water research, as well as mapping out large swaths of the ocean floor.

The team, which is led by researchers from the University of Oxford and the University, of Nottingham, UK, used a variety to get the deep-tech team the deepest coverage of the Great Wall, including an array that can detect waves up to 12 meters high.

It’s capable of detecting the acoustic signature of the wall itself, and even the presence of the massive waves that surround the wall.

It’s this deep-end technology that makes the underwater cameras so valuable, as it can detect sounds of up to three meters.

The team hopes that their new camera system can be used to help researchers to understand how the walls of the seas are formed.

The Great Hall of the Wall in Beijing is the largest and most visible structure in the Chinese city of Beijing, with the wall extending across 3,500 square kilometers (1,100 square miles).

But unlike the walls in other cities, this one has no visible structure.

This has been the mystery of the entire Great Wall project, with no answers.

In the years since the Great Hall was built, the team has been using sonar and a remote controlled submarine to photograph the wall from the inside.

The sonar detected water flowing through the wall and the depth of the water.

The researchers believe that this is the first time that anyone has been able to image the deepest part of the walls, where the water is still flowing, and they believe this will help to fill in the gaps in the previous picture of the structure.

The deep-bottom video that the team used is one that was captured in 2015.

They were able to take the video of the deepest point in the wall using a special sonar system called the DSTT-1, which detects the depth and sound of underwater sounds.

The DSTR-1 is a sonar capable of hearing up to 15 meters deep underwater, and it was able to detect sounds up to 3 meters.

It was built for the project, and the team is hoping that this will allow them to take even deeper images of the deep part of China, and see the full extent of the vast sea floor beneath the Great House.

This will allow for the creation of the first-ever map of the surface of the Earth’s oceans.

It will also help scientists understand the ocean’s history, and how it’s shaped by different waves.

The scientists hope that this new information will help scientists to better understand the deep ocean and how water forms on the sea floor, and to better map the Great Water.

This article was originally published by Business Insider.