A furious tour operator has slammed one of the UK’s best-loved heritage railway attractions for having carriages with “steamy, leaking windows”. Andy Lamb, who runs Wales Outdoors, has vowed to stop sending his clients to visit Snowdon Mountain Railway (SMR) complaining of last minute cancellations and poor customer experience on the heritage train. Andy Lamb, who runs Wales Outdoors, got a mixed response when he vented his anger online. Commenters mocked him for expecting modern comforts on a