Norway in a nutshell down?

Hi,

I heard that the "Norway in a nutshell" ride was down due to a train burn-down or something like that and will maybe be operational starting 21 or 22 of June.

Any truth to this? What are good alternatives?

Thanks,
Koby

Info from the nutshell tour operator:

http://www.fjordtours.com/en/customer-support/faq/traffic-information/