✱ 5ives 019 / by Evan Troxel

1. NATO'S UNDERGROUND ROMAN SUPER-QUARRY

"The complex was on average 50 meters below ground covering an area of approximately 6750 acres with eight miles of corridors, 400 branches and 399 individual offices," SubBrit explains. There were escape tunnels, as well, "one going out to the banks of the Albert Canal in Belgium, and one which came out in a farmer's potato store in the village of Kanne." It had its own water supply and even a dedicated wine cellar for NATO officers, who might need a glass of Europe's finest chardonnay to help feel calm enough to launch those missiles.

2. This Dreamy Drone Tour Shows the Rebirth of Downtown Los Angeles (Video)

Los Angeles's swiftly mutating downtown is usually viewed at street level. Now, thanks to filmmaker Ian Wood, we get a top-down perspective of the city's transformation in this gorgeous video, which he shot with a lightweight remote-controlled quadcopter and camera system. 20 stories up, there's change afoot as well.

3. 5 reasons it’s time for a 4-day work week

Research suggests it won't just make us happier -- it will actually make us more productive.

4. Remake Class - The Third Teacher Plus by Cannon Design

We explored the question, "How can we empower teachers to become hackers/designers of their learning experiences and environments?" We unpacked and reclaimed the concept of "hacking" as a tool for prototyping change and held a hands-on workshop to explore these ideas in action.

5. Simon Sinek: Why Leaders Eat Last (Video)

In this in-depth talk, ethnographer and leadership expert Simon Sinek reveals the hidden dynamics that inspire leadership and trust. In biological terms, leaders get the first pick of food and other spoils, but at a cost. When danger is present, the group expects the leader to mitigate all threats even at the expense of their personal well-being. Understanding this deep-seated expectation is the key difference between someone who is just an “authority” versus a true “leader.”