What does gbt stand for?
gbt stands for "Gotthard Base Tunnel"
How to abbreviate "Gotthard Base Tunnel"?
"Gotthard Base Tunnel" can be abbreviated as gbt
What is the meaning of gbt abbreviation?
The meaning of gbt abbreviation is "Gotthard Base Tunnel"
What does gbt mean?
gbt as abbreviation means "Gotthard Base Tunnel"
