general
Hanoi eyes 4 levels of underground space beneath French-built Opera House
Hanoi is studying a four-level underground complex around the Opera House, combined with pedestrian tunnels to improve connections with Trang Tien Street and nearby cultural and art spaces.
Reported by VnExpress International
Read the complete report at VnExpress International ↗
Verification notice
IntelMap indexes open-source reporting. This page identifies what a source reported; it does not independently confirm the claim.
2 reports · 2 sources
VnExpress InternationalHanoi eyes 4 levels of underground space beneath French-built Opera HouseVnExpress InternationalHanoi eyes 4 levels of underground space beneath French-built Opera House9 recorded states
Signal first indexedP1 · 68% quality · 1 source
Corroboration 1→2 sources · quality 68→72P1 · 72% quality · 2 sources
Quality 72→76P1 · 76% quality · 2 sources
Quality 72→80P1 · 80% quality · 2 sources
Quality 76→84P1 · 84% quality · 2 sources
Quality 84→88P1 · 88% quality · 2 sources
Quality 88→92P1 · 92% quality · 2 sources
Quality 92→96P1 · 96% quality · 2 sources
Quality 96→99P1 · 99% quality · 2 sources