TYBA ONLINE :: Subject: Joao Luis Ferreira Bridge - also known as Metal Bridge - over Parnaiba River - natural boundary between Piaui and Maranhao states / Place: Teresina city - Piaui state (PI)

[+] Metal Bridge, [+] Joao Luis Ferreira Bridge, [+] bridge, [+] Parnaiba River, [+] river, [+] landform, [+] nature, [+] boundary, [+] border, [+] natural boundary, [+] island, [+] suspension bridge, [+] metal structure, [+] infrastructure, [+] cable, [+] road transport, [+] road transportation, [+] transport, [+] transportation, [+] straight, [+] tourism, [+] Northeast Region, [+] Piaui