Tunnel entrance / exit at Ten Eeckhovelei.
This tunnel is used by line 5, the tunnel section is about 5000 m long with exit at the left bank of the river Schelde at Blancefloerlaan (photo https://transphoto.org/photo/1936051/).
Line 5 services the following metro stations: Schijnpoort – Handel – Elisabeth – Astrid (cross station) – Opera (cross station) – Meir – Groenplaats – Van Eeden.