Mark Muszanowski joined ESD in 1973, the same year the Willis Tower was completed. Now, he works in our new headquarters in what is still Chicago’s tallest building. Happy 45th anniversary, Mark! #esd #engineering #willistower #anniversary
#Repost @andyp.tts ・・・ Stary night sky above the Clifton Observatory a few days ago. #bristol #clifton #somerset #northsomerset #cliftonobservatory #bristolobservatory #visitengland #visitbristol #bristol_lens #bristol247 #livebristol #bristolcity #besto
