Possible Clues:

• Men on phone exch­ange will be a rarity
• Men on phone about an amazing spectacle
• Heard a peahen sign, on something extraordinary
• Remarkable occurrence
• Remarkable development; quiet woman leads ordinary fellows on
• It's remarkable: Post Office people performing rounds without women
• Phone men on train in rare circumstance
• Only women admitted into mobile phone event
• Phone men on building- in fact, that needs to be explained?
• Quiet female leading old chaps on -- remarkable thing