"backrest"=>"yes","survey:date"=>"2020-07-18"
"backrest"=>"yes","material"=>"wood","survey:date"=>"2021-08-12"
"backrest"=>"yes","material"=>"wood","seats"=>"2","survey:date"=>"2021-08-12"
"backrest"=>"yes","material"=>"wood","seats"=>"2","survey:date"=>"2021-08-12"