From Mobile Phone Masts Go Undercover | Science & Technology | Deutsche Welle | 14.06.2004:
"European companies are finding ingenious ways to disguise ugly, but necessary, mobile phone antenna masts. Customers can pick everything from trees to crucifixes.
Those willing to set up mobile phone antenna masts on their property can get good money for their cooperation -- along with grief from their neighbors.
The masts are typically unwanted in neighborhoods, either because of fears that they can damage your health or due to their ugly appearance. There's an answer to that last objection, simply dress the masts up as trees, chimneys, or even crucifixes."