Line 4 project progress Line 4-Section A-Alsos Veikou-Goudi-Project Progress-March 2022-Photos 15/04/2022 / Akadimia Station Akadimia Station Akadimia Station Akadimia Station Akadimia Station Katehaki TBM Shaft Katehaki TBM Shaft Katehaki TBM Shaft Katehaki TBM Shaft Katehaki TBM Shaft Katehaki TBM Shaft Katehaki TBM Shaft Katehaki TBM Shaft Veikou TBM Shaft Veikou TBM Shaft