Seeing Zhong Yi repeatedly observing Zhaobaoshan and Jinjishan on the other side, Gong Weiqian asked: "Mayor, are you worried about the coastal defense issues after the development of the new Yinjiang River in the future?"

"Yes." Zhong Yi nodded, "It can be foreseen that when the planned new Yinjiang River develops, it will definitely become a thorn in the eyes of the entire Japanese invaders. At that time, the Japanese army will definitely dispatch the army and navy to invade large numbers. I am not too worried about the Japanese army, but for the Japanese navy, I can only rely on coastal defense."

"Yes." Gong Weiqian agreed with it, "If the Japanese Navy's warships go up the Yinjiang River and reach Sanjiangkou, then the entire Yinjiang City will be within the range of Japanese naval guns! In this way, we will have no meaning to the construction of Yinjiang, because no matter how prosperous the city is, it cannot withstand the bombardment of cannons."

Zhong Yi said: "So, you must give Yin Jiang'an a lock!"

Gong Weiqian said: "Is Zhaobaoshan and Jinjishan on the other side the mayor's choice of the key?"

"Yes." Zhong Yi nodded and said, "From the estuary of Yinjiang River to the estuary of Sanjiang River, the terrain is flat and there is almost no danger to guard. Zhaobaoshan and Jinjishan can be said to be the only two commanding heights. To be honest, these two hills are too small and short, with an altitude of less than a hundred meters, but unfortunately, there is no better choice."

Gong Weiqian nodded and said, "It's all that I can choose the tallest among short people."

After a moment of pause, Gong Weiqian said again: "But fortunately, there is still a chance to make up for it through the design of the fortress. As long as the fortress is built strong enough and the firepower is strong enough, there is still a chance to lock the Yinjiang Channel."

Zhong Yi exclaimed lightly and asked, "Secretary General Gong, do you have any knowledge of the construction of fortresses?"

"That's natural." Gong Weiqian said unfairly, "What I do with my graduation design is fortress design and construction."

"Oh?" Zhong Yi was surprised when he heard this. He really didn't expect that Gong Weiqian, his elder brother-in-law and second brother-in-law were actually in the same journey, and the graduation design was all about fortress design and construction.

At that moment, Zhong Yi said again: "Do you dare to ask which university Secretary General Gong is studying?"

"Cambridge University." Gong Weiqian replied, with a little pride on his face.

Zhong Yi himself is indifferent to his experience of studying abroad. As a PLA from the 21st century, Zhong Yi does not think it is too great to study in a prestigious university abroad. For example, West Point Military Academy, Zhong Yi never thinks West Point Military Academy is so great, let alone think West Point Military Academy is better than any Chinese military academy.

But for young people of this era, their overseas experience, especially those with famous academic qualifications such as Cambridge and Oxford, are proud.

Zhong Yi only felt that it was a coincidence that he actually had a school with his elder brother-in-law and his second brother-in-law.

At that moment, Zhong Yi said again: "You are actually an international student at Cambridge University. Do you know Zhang Yuandong and Zhang Yuanxi?"

"I don't know Zhang Yuandong, but I know Zhang Yuanxi. He is two classes higher than me." Gong Weiqian smiled, "Their brothers are typical rich children. Most of the Chinese students in the UK have been helped by their brothers. I also received favors from seniors in the West during my study abroad."

"That's a coincidence." Zhong Yi laughed and said, "Secretary General Gong, you may not know yet. My fiancée happened to be the fifth lady of the Zhang family, Zhang Yuandong and Zhang Yuanxi's younger sister."

"Is that true?" Gong Weiqian was stunned when he heard this, "It's such a coincidence."

Zhong Yi could feel that Gong Weiqian's attitude towards him became closer.

At that moment, Zhong Yi said again: "Secretary General Gong, since you are a top student at Cambridge University, you are studying architecture, and the graduation design is still about fortress construction, can you tell me how to build Zhaobaoshan and Jinjishan Fortress? Only by withstand the attack of the Japanese army?"

Gong Weiqian nodded and said, "Zhaobaoshan, Jinjishan Fortress, is mainly defended by the Japanese aviation force. Because the Japanese Navy's large-tonnage warships cannot actually enter the Yinjiang River. Due to the restrictions on navigation conditions, the Japanese Navy's battleships cannot enter the Yinjiang River main road, and even large-tonnage cruisers cannot do it."

Zhong Yi nodded subconsciously. Yinjiang's navigation capacity is indeed limited. A sea ship of 2,000 tons is OK. A sea ship of more than 3,000 tons is extremely difficult. If it exceeds 5,000 tons, it will only be open to navigation during the rainy season.

Most of the Japanese Navy cruisers are more than 5,000 tons.

Gong Weiqian continued: "So, the Japanese Navy's naval guns are not the main threat. The main threat comes from the bombing of the Japanese army and even the naval aviation. Japan's largest aviation bomb should be a thousand-pound level, so the design standards of Zhaobaoshan and Jinjishan Fortress must be able to defend at least two thousand-pound bomb bombs!"

"Not enough!" Zhong Yi said with a slight gaze, "The standard of two thousand pounds is probably not enough."

When he said this, Zhong Yi was thinking about the Guishan Fortress and the Snake Mountain Fortress in Wuhan.

The design standards for Guishan Fortress and Snake Mountain Fortress were also 2,000 pounds, but in the end it was destroyed by the crazy old Japanese devil, Higakure-Miya Nihiko.

"The standard of two thousand pounds should be enough," said Gong Weiqian, "because Japan's largest bomber can only carry one thousand pound-level aviation bomb."

Zhong Yi said: "Have you ever thought that the Japanese army might have less fuel and fill the cabin with explosives, and then launch a suicide bombing at the fortress with the plane?"

"This..." Gong Weiqian immediately took a breath.

"So, two thousand pounds are really not enough." Zhong Yi said.

"Then we can only strengthen it by improving the top layer of the fortress." Gong Weiqian said, "Because if we just thicken the top layer of the fortress, it will be expensive, not to mention the cost, our officers and soldiers hiding inside the fortress will be unable to withstand the invasion of the explosion shock wave, and will eventually be shattered!"

Zhong Yi said: "This is what I worry about the most."

When Guishan Fortress and Snake Mountain Fortress were destroyed, there were actually not many officers and soldiers who were actually killed by the bombing. Most officers and soldiers were shocked to death by the violent shock waves generated by the explosion.

Gong Weiqian pondered: "I do have some experience in strengthening the top level of the fortress, but I don't know if it's effective without verification from the example."

Then, Gong Weiqian revealed his ideas.

After listening to it, Zhong Yi just wanted to say one thing to Gong Weiqian, genius creativity!
Chapter completed!