Explanation

The Catherine Palace is a palace located in Tsarskoe Selo, a suburb of Saint Petersburg, Russia.

It was built in the 18th century as a summer residence for Catherine the Great, the Empress of Russia.

The palace is a famous tourist destination and a UNESCO World Heritage Site.

Explanation

Vyborg Historic Center is located in Vyborg, a city in the Leningrad Oblast of Russia.

Vyborg has a rich history and a well-preserved medieval center, which is a popular tourist destination.

The city is situated on the Karelian Isthmus, near the Gulf of Finland.

Explanation

The Large High Altitude Air Shower Observatory, the biggest device of its kind, has detected a dozen sources of ultra-high-energy gamma rays.

According to a study in the journal Nature, Gamma rays with such high energy have never been detected before in our Milky Way galaxy.

More than 530 photons at energies above 100 teraelectronvolts and up to 1.4 PeV were detected.

Explanation

John Marshall, a British archaeologist, is credited with the discovery of the Indus Valley Civilization in 1922.

He was the Director-General of the Archaeological Survey of India (ASI) at the time and led the excavations at Mohenjo-Daro and Harappa, two of the major cities of the Indus Valley Civilization.

Explanation

Scientists have discovered the oldest known human burial in Africa, at a location named “Panga ya Saidi”.

It is an archaeological cave site located in South-Eastern Kenya.

It is a burial of a child aged 2-1/2 or 3 years old, buried in a shallow grave with its head resting on a pillow.

The burial is said to be more than 78,000 old.

Explanation

پیسا ٹاور، جھکا ہوا مینار اٹلی میں واقع ہے۔

Explanation

Jinnah Antarctic station was established in Antarctica on January 25, 1991.

Explanation

Borobudur, a UNESCO World Heritage Site is located in the Kedu Valley, in the southern part of Central Java, at the centre of the island of Java, Indonesia.

Explanation

Explanation

Sydney Harbour is renowned for its stunning natural beauty.

It is considered one of the finest natural harbors in the world.