At the same time, the construction of the space station outside Ganymede is going smoothly, and the initial area of 1,000 square meters has the capacity to carry the launch of a tow spacecraft, relying on the flexible moon-by-month spacecraft to quickly obtain some of their scarce supplies from the moon.

Xu Bochen compiled a list of scarce materials from several major departments, which were completely unimaginable when he first formulated the full set of plans.

"The first is helium-3, and the city of Paradise has built a fusion power station with 12 million kilowatt-hours of power generation, but because of the extra glass, it brings greater power consumption and needs additional support from the moon."

"The second is that due to the fact that Ganymede is not small, as well as Ganymede, the need for several in-depth exploration activities in Jupiter's atmosphere, and at least 3 more moon-class spacecraft must be sent to change."

"The third is..."

……

Xu Bochen carefully inspected it and sent it out, after the moon received it, it would be transferred to Nana first, then to the honorary advisor, and the rest of the remaining ministers to discuss and make a decision together.

Xu Bochen breathed a sigh of relief, and at this time, he was called over to a meeting by the exploration department.

The work of the Exploration Department in the development of Europa is to explore resources, and the more resources they find, the smaller the cost in the city-building process, because it can be solved entirely locally.

However, the original plan was to build a surface city, so they prepared an ice exploration plan, but later it was changed to an underground city, and they were caught off guard and did not make corresponding preparations, so that these days, the materials for urban construction are increasingly stretched, and the exploration department that has to bear the main responsibility is under great pressure.

Underground exploration is an unknown new thing, the employees of the exploration department present are not proficient, they are not a technical department, but more execution, so since there is no way to judge what resources are produced through the traditional investigation of the surface landform and the collection of rock samples, the only thing they think of is to use mining vehicles, constantly drilling holes around, to find resources buried deep underground.

"We're not earthworms, isn't it hard for us to do these things?" Most of the staff stubbornly resisted, expressed indignation, and hoped that only the original members of the geological exploration team would continue to carry out their ice exploration plan, and only the original members of the geological exploration team would adapt to such a "harsh" working environment.

"Is there too much difference between the resources on the surface of the ice and the resources underground? Damn, isn't it just an extra 50 kilometers of road, those pioneer departments are really lazy! Immediately, another employee complained that the problem was not their own, and transferred the conflict to other departments.

Xu Bochen had to try to persuade because he was standing at a higher level, after all, from the company's point of view, the employees of the exploration department should make a small sacrifice, besides, exploring the underground should not be as boring as imagined, look at the scenes depicted in many science fiction novels, there are glittering lakes underground, continuous mountains and rivers, and even ancient ruins that have been hidden for hundreds of millions of years, if there is such a purpose, the enthusiasm of the employees will be higher.

There are still employees put forward constructive suggestions, that even if the deep geological exploration equipment has not yet matured technology, excessive energy consumption, and insufficient accuracy, there is no imaginary chicken ribs in use, he proposed a compromise plan, through the deep geological exploration equipment for preliminary scanning, combined with the drilling exploration of mining vehicles, to facilitate them to find resources.

Sophia finally said that the geological structure of Ganymede is completely different from that of the earth, so there will be many new types of resources, and when the time comes, each new type of resource will have more or less tens of thousands of merit rewards, and if it is particularly valuable, it will even reach the seven-figure level.

In addition, after they help solve the short-term resource problem of Paradise City, they will immediately be able to return to the surface of Ganymede, and search for organic matter distributed on the ice in more detail, looking for whether there will be simple life; Go to Jupiter's atmosphere, help build an atmospheric space station, and take a moon-by-month spacecraft to go deeper into Jupiter's atmosphere, and get closer to the mysterious world by 1000, 2000 kilometers.

After the internal ideological correction, the mentality of the employees was completely relaxed, and gradually some employees stepped forward and gathered 20 people to take on the heavy responsibility and join in the work of exploring underground resources.

Another month has passed, through the organic cooperation of several major departments, the development progress of the city is gratifying, 50 kilometers underground, more than 1 million square meters of underground space excavation and reinforcement has been completed, everywhere you can see the newly paved roads criss-crossed, some of the length of more than 20 kilometers, and the rest of the underground roads are connected with each other; Factories that are fast to build, such as the joint production workshop, have been relocated here and officially put into production; On the other hand, the birth of the business district has given the lonely and boring nightlife immigrants a place to have fun, and the immigrants who have higher requirements for the quality of life have a way to consume.

Huge cities are in motion, and the cities are full of active immigrants, and as they wander through the thriving cities, they feel a sense of pride when they see several more subterranean spaces of similar size in the distance, connected by wide roads.

As the makeshift camp fell silent again, a second shipment from the moon arrived, including 5,000 migrants, 16,000 tons of supplies, and two moon-to-month spacecraft.

Xu Bochen sent out notifications through the network in batches according to the various departments and teams that applied for the materials, and asked them to come and get them, most of these emergency supplies are currently not available on Europa, which will improve their development speed.

After doing this, Xu Bochen's work burden was lighter, and the matter of urban construction would be handed over to Mayor Du Ji, and the requirements put forward by the remaining trade departments, combat departments, and research departments also had corresponding schedules, and they were not put together.

He had a rare day of relaxation, able to walk through the city with fresh air, even the smell of moisture and the smell of earth. Fifty kilometers underground, the main urban area of Paradise City, where the average room temperature is around -100 degrees Celsius, and it only takes a small amount of energy to maintain a constant temperature, which can be kept at about 10 degrees Celsius.

"Thinking about it this way, Europa is really a good place, and it even makes people feel that they can't even compare to the moon..." Xu Bochen suddenly sighed in his mind, but he felt that this idea was going to put the moon in what situation, and quickly cut off the thoughts in his heart.

"But Europa is so remote that people will be content with the status quo...", he sensed that this place was very suitable for retirement, and it was not a good place for those of them who were interested in completing the great cause of conquering the stars and seas.