where is the biggest zoo in the world

The Berlin Zoological Garden was opened in 1844 and is the oldest zoo in Germany. Located in Berlin’s Tiergarten, the zoo is home to 1,500 species and 19,500 total animals. At this number, the Berlin Zoological Garden holds the most comprehensive collection of species in the world. The zoo is considered to be the most visited zoo in Europe and among one of the most popular zoos worldwide

where is the biggest tree in the world

The General Sherman is the biggest tree in the world, The tree located in the Giant Forest of Sequoia National park in Tulare County, in the U.S. state of California. By volume, it is the largest known living single stem tree on earth  

What is the largest lake in the world

The Caspian Sea is often regarded as the world's largest lake.

what is the largest country in Africa

Algeria is Africa's largest country by area, and Nigeria is the largest by population. Africa, particularly central Eastern Africa.

what is the longest bridge in the world

The Danyang–Kunshan Grand Bridge is the world's longest bridge. It is a 164.8-kilometre bridge

The bridge is located on the rail line between Shanghai and Nanjing in East China’s Jiangsu province