The enduring glow of London’s historic gas lamps

London’s gas lamps, which have cast their glow on the city for more than 200 years, have been nearly extinguished by the prevalence of cleaner, more efficient and brighter light sources, like LEDs. Correspondent Seth Doane talks with one of London’s last lamplighters, and with gaslight enthusiasts who have fought to protect these historic fixtures.

Read MoreHome – CBSNews.com