For decades, rock climbing was a sport about reaching places thousands of feet off the ground.
And officials readily admit they do not know just how severe the situation really is because of the difficulty of reaching places like Pathai.
In the rural provinces, the virus has travelled on the backs of motorcycle taxis deep into the jungle and across mountains, reaching places that make Jene-Wonde look metropolitan.
Inhabitants of Walthamstow itself have three public transport options for reaching places of work in the Square Mile: the overground train to Liverpool Street; the underground southbound, changing lines en route; or the number 48 all the way.
For now, Ms. Forte said, the robotic vacuums are best at picking up surface dirt and dust, and -- because of their slick disk shape -- at reaching places that some vacuums can't get to, like under the sofa.
Not all of it seems to be reaching places like a district on the West Side, where a cluster of young men jumped from their cars on a recent morning to scuffle in the street, and where 24 homicides have already taken place this year.
