close-up of a pile of broken egg shells

background biodegradable broken brokeneggshell brown chocolateeggs closeup collection compost composting crack cracked culinary detailed ecological egg eggshell eggshells emptyshell environment environmentallyfriendly foodwaste fragment kitchen macro material natural organic other pile potential practices recycling remainder reuse shellfragments shells showing source stack texture their thrownaway untidy waste wastemanagement