Jamii nyingi zimejenga maeneo vya nyoka wa chuma ya zamani kama vifaa ya mradi ya mradi . Baadhi zimepotea na zinatoa historia ya zamani ya mpango wa jamii. Sasa zinaendelea kama maonyesho ya https://hamzahcvzy995222.mybuzzblog.com/22945858/miundo-ya-reli-ya-zamani-mabango-vya-reli