Doomsday Bunker Upgrade

Chapter 753

The North Sea, a sea area between the English and Northern European countries, is almost the same size and area as the English mainland.

It was once an important source of fishery resources in Europe, one of the four largest fishing grounds in the world, and also an important source of oil and natural gas resources in Europe. Chen Xin of the world has reason to believe that it will be a new era for mankind to step into the sea of stars.