A herd of pink unicorns peer into the window, clutching their phones and arguing about the best way to reach Leidseplein. It’s raining outside, and the unicorns’ plush costumes are saturated and muddy at the ankles. Stag parties are a common sight around the Oude Kerk, the heart of Amsterdam’s red-light district. Another group appears, wearing matching T-shirts saying “Dave’s Lash-On: Only Pints and Strippers”. They too, stare.