![The O2 on Twitter: "Great pic“@MPSinthesky:@TheO2 with Greenwich Meridian identified by laser from Greenwich Observatory @ROGAstronomers http://t.co/udgv0WwN5v”" / Twitter The O2 on Twitter: "Great pic“@MPSinthesky:@TheO2 with Greenwich Meridian identified by laser from Greenwich Observatory @ROGAstronomers http://t.co/udgv0WwN5v”" / Twitter](https://pbs.twimg.com/media/Bch0AGMIAAAqt12.jpg)
The O2 on Twitter: "Great pic“@MPSinthesky:@TheO2 with Greenwich Meridian identified by laser from Greenwich Observatory @ROGAstronomers http://t.co/udgv0WwN5v”" / Twitter
![Pilots' union calls for laser pointers to be classed as offensive weapons | Air transport | The Guardian Pilots' union calls for laser pointers to be classed as offensive weapons | Air transport | The Guardian](https://i.guim.co.uk/img/media/5453e461cc295450e9e4b26931f65e946b31a5b2/0_80_5184_3118/master/5184.jpg?width=1200&height=900&quality=85&auto=format&fit=crop&s=a96f4b45e212588e8c1945fe8e770bf3)
Pilots' union calls for laser pointers to be classed as offensive weapons | Air transport | The Guardian
![Greenwich Meridian Laser Shining Over London At Night Wood Print by Miguel Claro/science Photo Library Greenwich Meridian Laser Shining Over London At Night Wood Print by Miguel Claro/science Photo Library](https://render.fineartamerica.com/images/rendered/default/wood-print/30/6.5/break/images/artworkimages/medium/2/greenwich-meridian-laser-shining-over-london-at-night-miguel-claroscience-photo-library.jpg)
Greenwich Meridian Laser Shining Over London At Night Wood Print by Miguel Claro/science Photo Library
![A green laser beam marking the Greenwich Meridian Line shines at night in front of the Canary Wharf skyscraprs in London Stock Photo - Alamy A green laser beam marking the Greenwich Meridian Line shines at night in front of the Canary Wharf skyscraprs in London Stock Photo - Alamy](https://c8.alamy.com/comp/AR0KYN/a-green-laser-beam-marking-the-greenwich-meridian-line-shines-at-night-AR0KYN.jpg)