Added Dutch names for colonial Kenya
Added Dutch names for countries in the Middle East
Added start_date:edtf & end_date:edtf to greenhouse in Rockanje
Olmenhorst, Rockanje (better rendering of street name)
Added Dutch name for pre-2011 Sudan
Tags on Cairo labels (names in various langauges, wikidata & wikipedia)
Added Dutch names for Eilat and Eilot in southern Israel
Added Dutch names for Djibouti
Added image to Wilhelminatoren, Valkenburg
Added end_event to Wilhelminatoren, Valkenburg
Added Dutch name to South Sudan label
Added Dutch name to Madagascar label
Added Dutch names for several iterations of Eritrea, Ethiopia and Somalia