What We Want to Buy, What We Want to Have!

Inside Shi Tong Fortress at that moment.

Amid a round of applause, Human Civilization and the Underground Alliance formally established diplomatic relations!

The development principle of "clearing away the turbid and promoting the pure, uniting and cooperating, jointly preserving peace, and jointly advancing development" had finally been established.

Cameras clicked away nonstop. Professor Lu Tiantian temporarily moonlighted as a reporter; he still had to write a news report and transmit it back to the rear... All right, don't think journalists were unimportant. The masses in Sky City cared about this!

This cooperation was divided into three parts. The first was establishing a radio communications system to facilitate future communications.

Humanity needed to settle here for a while and replenish its depleted reserves of oil and coal.

Moreover, the expansion of Sky City and the growth of its population would also take time. It would be difficult to accomplish without ten years, so establishing proper communications with their neighbors was naturally the right move.

The second was trade in supplies. Over so many years, the Underground Alliance had accumulated quite a few resources.

Besides Extraordinary Mushrooms, there were all kinds of underground ores, as well as some insect race derivatives.

Most insect race products—carapaces, compound eyes, flesh, and so on—were not particularly valuable.

But occasionally, they produced precious items as well.

For example, something called Insect Yellow was found in the body cavity of a certain insect. It could clear heat and detoxify poison, and its chance of appearing was roughly one in a million! It could remove most Idealistic Toxins!

Over the past century or so, the Underground Alliance had stockpiled quite a bit of Insect Yellow.

There was also an insect race bodily fluid called Blue Blood. It was an excellent inscription material and carried minor healing and life