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"backrest"=>"no","mapillary"=>"1iLR4d0NAx5Zt6LHlCGiHw","survey:date"=>"2019-07-19"
"backrest"=>"no","mapillary"=>"2JWN26c-bh-xDWhOs4ftRg","survey:date"=>"2019-07-19"
"backrest"=>"yes","mapillary"=>"KCGqIs3ymsKXT7Y1UuoPAQ","survey:date"=>"2019-08-22"
"backrest"=>"yes","mapillary"=>"WRXUqnDKHXrujI4L-MKEhQ","survey:date"=>"2020-03-24"