icloud.com (Windows PC) Photos not loading
When logging into icloud.com via Windows PC and viewing the "Photos" section, none of the photos load properly. All come up with a grey background and triangle image with an exclamation point. What is causing this? It seems the photos are not being downloaded from the cloud, but there's no option to start this process. Have tried re-syncing icloud, adjusting settings on the iphone, etc. All options for photo sharing, icloud, syncing are enabled.
Windows, Windows 10