받아쓰기/세음
봄날의 노란 신호등
markim
2022. 3. 5. 12:43
"다음 신호가 기대되는 날입니다."
-by 세.음.
First Tri-Color, Four-Directional Traffic Signal, 1920 - The Henry Ford
Detroit traffic officer William Potts created this three-color, four-way traffic signal in 1920. Previous illuminated signals used only red and green lights. The addition of an amber "caution" light made driving safer and the three-color signal became the
www.thehenryford.org
♬ Ludwig van Beethoven - Violin Sonata No.5 in F Major, Op. 24 "Spring" - I. Allegro
#vn_Augustin Dumay 바이올링_오귀스탱 뒤메이
#pf_Maria João Pires 피아노_마리아 조앙 피레스
https://youtu.be/fIdLp2y4Nug