Videos will take time to load on the Virtual Tour due to the size of the files.
Videos cannot be opened because they are connected to Youtube.
Links:
Introductory Video to SEEING IS BELIEVING: Unusual Stamps https://www.youtube.com/watch?v=OOBfj1-lY5c&ab_channel=RootsSg
How Belgium's chocolate postage stamps were made:
https://www.youtube.com/watch?v=L-0DLUZy6fM&ab_channel=RootsSg
A copy of the videos has been made accessible in Extras
