"technology"=>"UMTS","tower:type"=>"communication"
"technology"=>"GSM 900","tower:type"=>"communication"
"technology"=>"GSM 1800","tower:type"=>"communication"
"tower:type"=>"bell_tower","source:date"=>"2014-03-24"
"ref"=>"60","design"=>"donau","line_attachment"=>"anchor"