52. A little snooping in Chinatown will turn up the little opium dens stuck down an alley (not recom-
mended without police escort).  Actually, the smokers shown in this picture do it legally.  Each den is licen-
sed for so many pipes.  Each pipe costs a rupee, a phial of opium five rupees.  Average smoker consumes a
phial a day and there are about 186 pipes licensedd in Calcutta.