#earthday

50th anniversary The Blue Marble taken by the crew of the Apollo 17 in 1972 via : Wikipedia

via ℝ𝕖𝕞𝕖𝕞𝕓𝕖𝕣 𝔼𝕒𝕣𝕥𝕙 𝔻𝕒𝕪 🌎 — KEU1813