Замените подчеркнутые существительные местоимениями

Замените подчеркнутые существительные местоимениями.It has a population of over two million people.They can sec wonderful views of Pest and the river.They join Buda and Pest.They pulled dowrn a statue of him and fought them.They are old.so polution is very bad.Their rule did not end until 1989.Its places of interest always impress them.He decided to save money for travelling and put it in the bank