Every priest wants to pose with his crosses for the tourists - for a donation, of course. Once the precedent of paying for pictures is established, you can't remove it - so sometimes you persuade them you don't want a pose, sometimes you shoot the other way, sometimes you pay. Going diring the early morning services is a much better plan (but the light is different) 
 

20mm lens, baby tripod braced hard against a column 

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