Revert "refactor the haml dir"

This reverts commit 74104eeaa75e24342ea0ee5c2389de8deed399fa.
Revert "Revert "Revert "add bottom10 cities"""

This reverts commit 92a484f929c8f3a3a2296a211d4ed9bfce7ee359.
Revert "Revert "Revert "add top10"""

This reverts commit 6033f61d67558668494144c8ae1cf217387f2648.