What If We Weren't The Only Intelligent Civilization In Our Galaxy (+ Mysterious Signals Detected)

Are we alone in space? Are there other civilizations on other planets? What if some other sentient lifeform were right here on Earth? What would they be and what would it mean for us? We've gathered a list of possible civilizations that may hide in our galaxy. It's really exciting, let's go! #brightsideseries ---------------------------------------------------------------------------------------- Music by Epidemic Sound https://www.epidemicsound.com Subscribe to Bright Side Series: https://www.youtube.com/channel/UCeMn... ---------------------------------------------------------------------------------------- Stock materials (photos, footages and other): https://www.depositphotos.com https://www.shutterstock.com https://www.eastnews.ru