Trash cans are generally not the first thing one notices about a restaurant, but after trekking to more than 50 countries on six continents to visit McDonald’s franchises, something stood out to Gary He. All of the garbage receptacles say “Thank you,” but not necessarily in English. The font and branding are identical, but in Finland they say Kiitos and in Thailand it’s Kap Kun Ka. “I think it’s a fun thing to capture that I don’t think you see on Google,” He says. “But if we’re going to paint…