The Louvre, the world's most visited museum, abruptly shut down due to a strike over overcrowding and poor working conditions. Here's why the closure matters for tourists and the future of global heritage travel.

The Louvre, the world’s most-visited museum and a global symbol of art, beauty and endurance, remained shuttered Monday — not by war, not by terror, but by its own exhausted staff, who say the institution is crumbling from within.

The Louvre shut down unexpectedly as staff members went on strike over unmanageable crowds and poor working conditions.