The Architectural Heritage Information System is a national digital inventory that records the legal boundaries, historical research, and architectural documentation of Portugal's protected landmarks. - AsNotedIn
| Place | Type | AsNotedIn | Locale | |
|---|---|---|---|---|
| Place | Type | AsNotedIn | Locale | |
| Dom Luis I Bridge, Porto | Arch Bridge | Porto | ||
| Dom Luis I Bridge, Porto | Arch Bridge | Vila Nova de Gaia, Portugal |
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