/proc/self/root/proc/thread-self/root/proc/10/task/7/root/proc/2/root/proc/2/root/proc/4
This explorer reads the filesystem of the server it runs on, so /workspace/user isn't present here. Browsing and the terminal still work against this server's own disk from /.
11:devices:/10:blkio:/9:memory:/8:cpuset:/7:freezer:/6:hugetlb:/5:cpu,cpuacct:/4:perf_event:/3:net_cls,net_prio:/2:pids:/1:name=systemd:/