ている (experience / record, history)
Usage
-ている
indicates a historical fact, experience, record or history. It is often used with an adverb expressing frequency or duration, such as 回 or 長い間.
This type of ている is used when the fact that a certain action has taken place in the past is relevant to the present situation
Examples
この寺は今まで二回火事で焼けている。
This temple has burnt down twice.
田中さんは高校の時アメリカに留学している。だから、英語の発音が綺麗だ。
Mr Tanaka studied in the U.S. when he was at high school. That's why his English pronunciation is so good