Updated description and link for city tours

Author: erikjee

src/pages/events/activities/city-tour-mon.md

@@ -10,4 +10,10 @@ detailLink: https://www.meetup.com/rust-nederland/events/307521994
 published: true
 ---
 
-Discover Utrecht through a guided tour. Details to join on meetup.com to follow soon.
+Discover Utrecht on foot with our friendly tour guides! This tour will take place at 10:00 AM on Monday, the 12th of May, and will take one and a half hours (until 11:30 AM).
+
+The tour starts at Kinepolis (the conference venue) and is free of charge for RustWeek attendees. 
+
+Pro-tip: you can pick-up your conference badge after the tour finishes; the [pre-registation](/events/pre-registration) is from 11:00 to 14:00.
+
+Join the tour via the link below.

src/pages/events/activities/city-tour-mon2.md

@@ -6,9 +6,14 @@ venue:
     name: 'Kinepolis'
     link: /kinepolis
 scheduleLink: null
-detailLink: null
+detailLink: https://www.meetup.com/rust-nederland/events/307661412/?eventOrigin=group_upcoming_events
 published: true
 ---
 
-Discover Utrecht through a (free!) guided tour. 
-More details about this tour (14:00) will be published on our meetup.com page soon!
+Discover Utrecht on foot with our friendly tour guides! This tour will take place at 14:00 AM on Monday, the 12th of May, and will take one and a half hours (until 15:30 AM). 
+
+The tour starts at Kinepolis (the conference venue) and is free of charge for RustWeek attendees. 
+
+Pro-tip: you can pick-up your conference badge before the tour starts; the [pre-registation](/events/pre-registration) is from 11:00 to 14:00.
+
+Join the tour via the link below.

src/pages/events/activities/city-tour-sat.md

@@ -11,4 +11,9 @@ published: true
 ---
 
 Missed the tours on Monday? You can join us in exploring Utrecht on Saturday, too! 
-Join via the Meetup link below.
+
+Discover Utrecht on foot with our friendly tour guides! This tour will take place at 10:00 AM on Saturday, the 17th of May, and will take one and a half hours (until 11:30 AM).
+
+The tour starts at Kinepolis (the conference venue) and is free of charge for RustWeek attendees. 
+
+Join the tour via the link below.