(Worldkings.org) The tunnel is at an elevation of 3,100 metres (10,171 ft) whereas the Rohtang Pass is at an elevation of 3,978 metres (13,051 ft). It was inaugurated by Prime Minister Narendra Modi on 3 October 2020.
(Worldkings.org) Veryovkina had only recently been named the world’s deepest cave. During an expedition in March 2018, Demidov and his comrades had reached a terminal sump at the water table—a depth of 7,257 feet (2,212 meters). The low point was a new record, knocking the neighboring Krubera cave, at 7,208 feet (2,197 meters), into second place.
(Worldkings.org) The large amount of mud and sand discharged into the river makes the Yellow River the most sediment-laden river in the world. The highest recorded annual level of silts discharged into the Yellow River is 3.91 billion tons in 1933.
(Worldkings.org) At first participants in the festival were mainly Chinese, however it has since become an international festival and competition, with the 2018 festival attracting 18 million visitors and generating 28.7 billion yuan ($4.4 billion) of revenue.