🚇️⬇️🛤️

#subway #metro tunnel #descending #below ground #metro tracks #subterranean

⭕🚇

#tube tunnel #underground tunnel #metro tunnel #subway tunnel #cylindrical tunnel #round shape

🧱🚇⬛

#underground tunnels #sewer tunnels #dark passage #brick tunnel #subterranean #metro tunnel

🧱🚇🧱

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🚇🕳️⚫️

#subway tunnel #metro tunnel #train tunnel #underground railway #tube

🚇⬇️🛤️➡️

#subway tunnel #metro tunnel #train tunnel #underground railway #public transport path

🚇🕳️⛰️

#train tunnel #subway tunnel #metro tunnel #railway tunnel #underground rail

🚇⛰️➡️

#train tunnel #subway tunnel #mountain tunnel #metro tunnel #underground rail

🚇🛤️⬇️

#underground railway #subway tracks #metro tunnel #train tracks below #subterranean rail #descending tracks #rail system

➖🚇

#underground line #subway line #underpass route #below surface #metro tunnel #crossing under