ftp://128.118.2.96/pub/.mirrors/2/cygwin.com/gdb/  direct

[DIR]contrib/  direct  1000+ twin directories
[DIR]releases/  direct  1000+ twin directories
[DIR]snapshots/  direct  1000+ twin directories
[DIR]infrastructure/  direct  72 twin directories
[DIR]old-releases/  direct  300+ twin directories