For anyone who has been to those large Indian temples, dust and dirt can be a distraction. The idea of cleanliness inside those vast stone halls, what with all the smoke from lamps, camphor, etc. just seems so far off. But a few people in Madurai changed that. It recently won this award, ahead of places like the Taj Mahal. It would be nice if many other of those ancient places would take this as an example. Here's a news article about how they did it.
How Madurai Meenakshi temple attained the cleanliness feat
How Madurai Meenakshi temple attained the cleanliness feat