several of the landmark onion dome towers on the russian orthodox churches were illuminated on the hills in the distance , as was the odd window , high up in a concrete apartment block which should have housed thousands , but most of the rest of the city was cloaked in darkness , and garnet found that he could no more get to grips with his bearings than he had been able to earlier on in the day , when two of yershovs colleagues had proudly shown him the sights .