let ziggurat:Building = new Building('Ziggurat', 0, 120, 1200, 'A tiny proto-pyramid.', '+3 <img src="img/research.png"> PM', true, false, function (args) {
  args.playerCiv.researchPM += 3;
  //notify({message: `Your scholars have convened at your newest Ziggurat! (<img src='img/research.png'> ${playerCiv.researchPM} PM)`})
});