Globetrotter 2 - Unused sound files

[Kitsune Hawk]

After finding the data for the three fully programmed unused cities in Globetrotter 2's files, I managed to find more evidence of unused locations within the game's folder for music and sound effects.

[ Globetrotter 2/DATA/SND.zip/trivia ]

Within the files, each city has a code number from 0 to 70 (with 0 corresponding to common files for each in-game location). I'm putting this list in a spoiler tag, since it is rather long, but there are a few numbers skipped for reasons unknown.

Green denotes locations used in the final game and red for unused locations or blank spots in the sound database.

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Spoiler

0 - Common Data
1 - Paris, France
2 - Unknown city with sound files
3 - Athens, Greece
4 - København, Denmark
5 - Unknown city with sound files
6 - Bangkok, Thailand
7 - London, United Kingdom
8 - Unknown city with sound files
9 - Zanzibar, Tanzania
10 - Berlin, Germany
11 - Unknown city with sound files
12 - Unknown city with sound files
13 - Unknown city with sound files
14 - Unknown city with sound files
15 - New Delhi, India
16 - Unknown city with sound files
17 - Sydney, Australia
18 - Montreal, Canada
19 - Stockholm, Sweden
20 - Budapest, Hungary
21 - Unknown city with sound files
22 - Unknown city with sound files
23 - Unknown city with sound files
24 - St. Petersburg, Russia
25 - Unknown city with sound files
26 - Unknown city with sound files
27 - Shanghai, China
28 - Unknown city with sound files
29 - Unknown city with sound files
30 - San Francisco, USA
31 - The Maldives
32 - Manila, Philippines
33 - Unknown city with sound files
34 - Unknown city with sound files
35 - Hawaii, USA
36 - Unknown city with sound files
37 - Unknown city with sound files
38 - Oslo, Norway
39 - Galapagos, Ecuador
40 - Unknown city with sound files
[Slots 41 to 49 have no files at all]

50 - Washington D.C., USA
51 - Alaska, USA
52 - Yemen (Yemen & Saudi Arabia)
53 - New Zealand
54 - Tokyo, Japan
55 - Costa Rica
56 - Boston, USA
57 - Havana, Cuba
58 - Thimphu, Bhutan
59 - Ireland
60 - Iceland
61 - Tanzania
62 - Amazonas, Brazil
63 - Mount Everest (Nepal & China)
64 - The Wild West, USA
65 - Sahara (Algeria, Niger, Mali)
66 - Lhasa, Tibet
67 - El Mundo Maya (Mexico, Guatemala, Honduras, Belize)
68 - Samarkand, Uzbekistan
69 - Irkutsk, Russia
70 - Amsterdam, Netherlands

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My only guess here is that these may have been composed for cities that did not make it into the programming phase or are unused earlier versions of the sound files used in the final product.