How to Get a List of Facebook Fan Pages Sorted gy the Number of Likes

Top 500 of the world:
https://socialblade.com/facebook/top/500/likes

Social analyzer platform
(not free)
search top fb page by category and by country
example - top celebs in thailand:
(pay for more results, i think)
https://www.socialbakers.com/statistics/facebook/pages/total/thailand/celebrities

how to disable facebook's new photo viewer (aka theatre)

you can install greasemonkey firefox addon and then install this userscript: http://userscripts.org/scripts/show/96773

then you won't see the new photo viewer na

facebook's new photo viewer (theatre) - hate hate hate

those who hate fb's new photo viewer, you can disable it by installing greasemonkey (firefox addon) and a userscript:

http://userscripts.org/scripts/show/96773