Apart from(tour) and business, London is known for being the United Kingdom's(politics) heart. It is also home to one of the country's most important(reside), the Queen.
Although London is a big city, it would be (correct) to say that it's an unhealthy place to live, since attemps to reduce (pollute) levels have been quite successful.
ПОМОГИТЕ С ГРАММАТИКОЙ ПОЖАЛУЙСТА!!!!
СЛОВА В СКОБКАХ НУЖНО ГРАММАТИЧЕСКИ ИЗМЕНИТЬ