"backrest"=>"yes","material"=>"wood","survey:date"=>"2020-08"
"backrest"=>"yes","material"=>"wood","survey:date"=>"2020-08"
"backrest"=>"yes","colour"=>"green","direction"=>"E","material"=>"metal"
"backrest"=>"yes","colour"=>"green","direction"=>"S","material"=>"metal"