Limehouse Laundry
From Tardis Wiki, the free Doctor Who reference
Limehouse Laundry was a London establishment run by men of the Tong of the Black Scorpion. It was located at Rundall Buildings, The Causeway, Limehouse.
After he was injured by a giant rat in 1889, Li H'sen Chang went there "to destroy the false god" Magnus Greel. During their visit to the laundry, the Fourth Doctor and Leela found him smoking opium to relieve pain. He died of his wounds in their presence. (TV: The Talons of Weng-Chiang)