It seems that google photos keys off the file name on your phone. Change the name of the photo file on your phone and google photos will add the new named one as a new photo. The old one will be there but not displayed.
Find the file (android) in - internal - DCMI - Camera.
So Google Photos still does not have the ability to create multiple folders/albums within one album! To me, Frustrating, for two main reasons... I already have TOO many albums as it is 🤪 and who in the world wants to receive a message, you just received 15 albums of photos ( I sure don’t want to send that message 🤣) not to mention having to open 15 ...
The recipient must:
First: Open the email invitation and click on the blue View album button.
Next, click shared album and press a blue join button if on the page:
then click more options:
Next: Then select show in albums:
The shared album will be attached the recipient's album list.
Using Linux commands jq and curl on Hangouts.json from Google Takeout:
jq -r '.conversations.events.chat_message.message_content.attachment?.embed_item.plus_photo.url' Hangouts.json > urls.txt
while read -r l; do curl -O "$l"; done < urls.txt
This method will download all images shared to you and by you.