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The tunnels

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The tunnels.jpg An Old-fashioned Train of CarsMiniaturesPioneer Locomotive An Old-fashioned Train of CarsMiniaturesPioneer Locomotive An Old-fashioned Train of CarsMiniaturesPioneer Locomotive An Old-fashioned Train of CarsMiniaturesPioneer Locomotive An Old-fashioned Train of CarsMiniaturesPioneer Locomotive An Old-fashioned Train of CarsMiniaturesPioneer Locomotive

The tunnels are passages for trains under mountains, hills and rivers. The tunnels are dark but the trains are well lighted. Electric motors are often used, this avoids the smoke of steam engines which is very unpleasant in the tunnels.