Are there any restrictions on photography at the Grand Velsen Cathedral?

Quick answer

There are no photography restrictions for a non-existent site.

Since the 'Grand Velsen Cathedral' does not exist, there are no photography restrictions. For actual sites in Velsen, photography policies can vary. Most outdoor historical sites, like castle ruins or natural parks, generally permit photography for personal use. Inside some operational churches or museums, flash photography might be prohibited, or photography might be restricted entirely to preserve artworks or maintain reverence. It's always best to check signage or inquire locally.