Actually it shouldn't be hard. It's the same picture repeated multiple times.
fan-art
Hetalia
countries
This Hetalia fan-art contains
gravier, pierre concassée, and roche écrasée.
There might also be
duckweed commune, lenticule, lemna minor, lentilles d'eau courantes, lentilles d'eau douces, lentilles d’eau commune, and lentille d’eau moindre.