descriptopm

"material"=>"steel","tower:construction"=>"freestanding","tower:type"=>"siren"

"technology"=>"UMTS;GSM 1800","tower:type"=>"communication"

"tower:type"=>"Visual_sign_\"De_Ballenmast\"","tower:construction"=>"tube"

"tower:type"=>"communication"

"technology"=>"GSM 900","tower:type"=>"communication"