spaceflight, Since the #Moon's 🌙 surface #gravity is much #lower than the #Earth's, the #engineering requirements for constructing a #lunar #elevator 🚠 system can be met using #materials and #technology 🔧 already available https://en.wikipedia.org/wiki/Lunar_space_elevator
Pictures (combined) :
https://commons.wikimedia.org/wiki/File:Earth_Rise_as_Seen_From_Lunar_Surface_(5052124921).jpg
https://commons.wikimedia.org/wiki/File:Portland_Aerial_Tram_-_Portland,_Oregon_(14636684883).jpg