Line 4 project progress Line 4-Section A-Alsos Veikou-Goudi-Project Progress-July2022-Photos 29/07/2022 / Zografou Station GNA Shaft Dikaiosynis Shaft Veikou TBM Shaft Veikou TBM Shaft Katehaki TBM Shaft Katehaki TBM Shaft Katehaki TBM Shaft Katehaki TBM Shaft Katehaki TBM Shaft