Рет қаралды 6,144
😮 🎥 A once-in-a-generation project at one of our most historic feats of engineering:
⏱️ 14 pumps replaced every three decades
🏋️ at two and a half tonnes each
⛏️ in 60-metre-deep shafts.
👉 www.networkrai...
#railheritage #engineering #amazingengineering