ADJ.
filthy, largest
AGGLOMERATION + NOUN
russia, wet-wipes
PREP.
in
noun
The act or process of collecting in a mass; a heaping together.
State of being collected in a mass; a mass; cluster.
An extended city area comprising the built-up area of a central city and any suburbs linked by continuous urban area.
A mass of large volcanic fragments bonded under heat.
The police fished the evidence out of the sewer, a filthy agglomeration of shit, wet-wipes, and, for some reason, car parts.
Yekaterinburg is the fourth largest agglomeration in Russia.