<prompt> Translate the following text to EnglishHifadhi ya Marciano ina milango miwili ya juu, ambayo inaonyesha farasi wanne wa shaba, na picha ya karibu ya paa la mosaic ya kanisa.  <response>: Steep stairs to the right of the main entrance lead to the small Museo Marciano, where you can see the original four tethered bronze horses, dating from the 2nd or 3rd century a.d. and a privileged close-up of the basilicas mosaic ceilings from the museums open galleries. 