180° rotational symmetry.
5 June 2021
Environmental impact of aviation: Like other emissions resulting from fossil fuel combustion, aircraft engines produce gases, noise, and particulates, raising environmental concerns over their global impact and their local air quality effect.
This drawing is available on Wikimedia Commons with a free license CC BY-SA 4.0 (Attribution-ShareAlike 4.0 International) - © Basile Morin
This drawing is available on Wikimedia Commons with a free license CC BY-SA 4.0 (Attribution-ShareAlike 4.0 International) - © Basile Morin
My ambigrams on Wikimedia Commons
are available with a free license CC BY-SA 4.0 (Attribution-ShareAlike 4.0 International).
Take a look also at my paintings on canvas.
© Basile Morin | contact : basile.morin@gmail.com