Here it is, we figured it out: The reason the Danish people are the happiest on Earth...
karatasi la kupamba ukuta
lautrup chemicals
copenhagen
denmark
scandinavia
happy people
image
europe
This Europe karatasi la kupamba ukuta contains
brownstone, mitaani, mji eneo la tukio, mijini mazingira, jiji eneo, mijini kuweka, tavern, and nyumba bomba.
There might also be
mstari nyumba, nyumba mji, safumlalo nyumba, nyumba ya mji, shule, schoolhouse, and diner.