"ref"=>"27","design"=>"donau","structure"=>"lattice","tower:type"=>"anchor"
"ref"=>"81","design"=>"donau","structure"=>"lattice","tower:type"=>"branch","location:transition"=>"yes"
"ref"=>"21","design"=>"donau","structure"=>"lattice","tower:type"=>"anchor"
"ref"=>"87","design"=>"donau","structure"=>"lattice","tower:type"=>"anchor"
"architect"=>"Bonnema","description"=>"Computer gestuurd carillon, in majeur gestemd","description:en"=>"Computer operated carillon, tuned in major","start_date"=>"1986","tower:type"=>"bell_tower"