diff --git a/content/de/39c3/_index.md b/content/de/39c3/_index.md
index e19f744..9abae64 100644
--- a/content/de/39c3/_index.md
+++ b/content/de/39c3/_index.md
@@ -40,4 +40,4 @@ Diese Touren bieten wir zum 39C3 Chaos Communication Congress an:
 
 Wir haben keine Touren an Tag 4 (30.12.).
 
-<iframe style="width: 100%; height: 300px; border: 0;" allowfullscreen allow="geolocation" src="//umap.openstreetmap.fr/en/map/39c3-hackertours_1329184?scaleControl=true&miniMap=false&scrollWheelZoom=true&zoomControl=true&editMode=disabled&moreControl=true&searchControl=false&tilelayersControl=false&embedControl=false&datalayersControl=false&onLoadPanel=none&captionBar=false&captionMenus=true&datalayers=bdd7ff4a-820c-4d08-acd6-a4e1f457b09a%2C82c00520-3aac-454b-96c1-f84d76734b59%2C0b4c18d6-f604-40b0-a322-05b69635ba5c%2Cde42bd8b-d6e8-4bc0-9a2d-2b0168c693c1%2C3bb4795a-1e46-4755-b729-17aeb462498c%2C3a5870ba-4539-4f58-adc9-d0b86b82b4f1%2Cf9d4edf5-c7ac-4e8a-bb39-816312075660%2C3e12b58e-cf69-458d-86ff-6c3d7df79365%2C706815ab-ff61-4840-bc05-cae55242648f%2C6ebae518-b9c0-4900-8f52-085690afa3e7%2C8324f966-450f-4dcf-bec7-e893a3716b42&captionControl=false&locateControl=false&measureControl=false&printControl=null&homeControl=false"></iframe><p><a href="//umap.openstreetmap.fr/en/map/39c3-hackertours_1329184?scaleControl=true&miniMap=false&scrollWheelZoom=true&zoomControl=true&editMode=disabled&moreControl=true&searchControl=false&tilelayersControl=false&embedControl=false&datalayersControl=false&onLoadPanel=none&captionBar=false&captionMenus=true&datalayers=bdd7ff4a-820c-4d08-acd6-a4e1f457b09a%2C82c00520-3aac-454b-96c1-f84d76734b59%2C0b4c18d6-f604-40b0-a322-05b69635ba5c%2Cde42bd8b-d6e8-4bc0-9a2d-2b0168c693c1%2C3bb4795a-1e46-4755-b729-17aeb462498c%2C3a5870ba-4539-4f58-adc9-d0b86b82b4f1%2Cf9d4edf5-c7ac-4e8a-bb39-816312075660%2C3e12b58e-cf69-458d-86ff-6c3d7df79365%2C706815ab-ff61-4840-bc05-cae55242648f%2C6ebae518-b9c0-4900-8f52-085690afa3e7%2C8324f966-450f-4dcf-bec7-e893a3716b42&captionControl=false&locateControl=false&measureControl=false&printControl=null&homeControl=false">See full screen</a></p>
\ No newline at end of file
+<iframe style="width: 100%; height: 300px; border: 0;" allowfullscreen allow="geolocation" src="//umap.openstreetmap.fr/en/map/39c3-hackertours_1329184?scaleControl=true&miniMap=false&scrollWheelZoom=true&zoomControl=true&editMode=disabled&moreControl=true&searchControl=false&tilelayersControl=false&embedControl=false&datalayersControl=false&onLoadPanel=none&captionBar=false&captionMenus=true&datalayers=bdd7ff4a-820c-4d08-acd6-a4e1f457b09a%2C82c00520-3aac-454b-96c1-f84d76734b59%2C0b4c18d6-f604-40b0-a322-05b69635ba5c%2Cde42bd8b-d6e8-4bc0-9a2d-2b0168c693c1%2C3bb4795a-1e46-4755-b729-17aeb462498c%2C3a5870ba-4539-4f58-adc9-d0b86b82b4f1%2Cf9d4edf5-c7ac-4e8a-bb39-816312075660%2C3e12b58e-cf69-458d-86ff-6c3d7df79365%2C706815ab-ff61-4840-bc05-cae55242648f%2C6ebae518-b9c0-4900-8f52-085690afa3e7%2C8324f966-450f-4dcf-bec7-e893a3716b42&captionControl=false&locateControl=false&measureControl=false&printControl=null&homeControl=false"></iframe>
\ No newline at end of file
diff --git a/content/en/39c3/_index.md b/content/en/39c3/_index.md
index 5ad53c1..7e5b7ed 100644
--- a/content/en/39c3/_index.md
+++ b/content/en/39c3/_index.md
@@ -37,4 +37,6 @@ These are the tours on offer for 39C3 Chaos Communication Congress:
 | 18:00 |                                                                                  |                                                                                  |                                                                                  |
 | 19:00 | 19:00 [Alster Steamer](./alsterdampfer/) {{< lang de >}}                         |                                                                                  |                                                                                  |
 
-There are no tours on day 4 (30 December).
\ No newline at end of file
+There are no tours on day 4 (30 December).
+
+<iframe style="width: 100%; height: 300px; border: 0;" allowfullscreen allow="geolocation" src="//umap.openstreetmap.fr/en/map/39c3-hackertours_1329184?scaleControl=true&miniMap=false&scrollWheelZoom=true&zoomControl=true&editMode=disabled&moreControl=true&searchControl=false&tilelayersControl=false&embedControl=false&datalayersControl=false&onLoadPanel=none&captionBar=false&captionMenus=true&datalayers=bdd7ff4a-820c-4d08-acd6-a4e1f457b09a%2C82c00520-3aac-454b-96c1-f84d76734b59%2C0b4c18d6-f604-40b0-a322-05b69635ba5c%2Cde42bd8b-d6e8-4bc0-9a2d-2b0168c693c1%2C3bb4795a-1e46-4755-b729-17aeb462498c%2C3a5870ba-4539-4f58-adc9-d0b86b82b4f1%2Cf9d4edf5-c7ac-4e8a-bb39-816312075660%2C3e12b58e-cf69-458d-86ff-6c3d7df79365%2C706815ab-ff61-4840-bc05-cae55242648f%2C6ebae518-b9c0-4900-8f52-085690afa3e7%2C8324f966-450f-4dcf-bec7-e893a3716b42&captionControl=false&locateControl=false&measureControl=false&printControl=null&homeControl=false"></iframe>
\ No newline at end of file
diff --git a/themes/zen b/themes/zen
index 7585387..acc3f62 160000
--- a/themes/zen
+++ b/themes/zen
@@ -1 +1 @@
-Subproject commit 758538798508998744cecead44f2c8e48e116e2e
+Subproject commit acc3f6277010b9eac4290c86f340330616fe2d54