Search function or drop down box for “Select Cities” & “Select Datasets”

[johnkeys]

Include a search function or drop down box in “Select Cities” & “Select Datasets”, as it won’t be long until you have to many cities / datasets to feature in a list.

[citadel-eu]

Drop down functionality has been implemented. Datasets are loaded in clusters per category and are added in a 'cart-like' section of the screen in order to be easily reviewable by users