Lumen inside lumen, possible

I've normal server var/www/html where I've lumen project say lumen1. What I want to know is whether I can have lumen2 inside lumen1 folder

something like this

var/www/html/lumen1 - first lumen var/www/html/lumen1/lumen2 - second lumen

I can't find any https://omegle.ws article even close https://voojio.com/chatroom/omegle to it, is it good practice? How to do it?