The Logan Century Center 1 was completed
Located in Nanning, China, Logan Century Center 1 is a 386 metres (1,266.4 ft)-tall supertall skyscraper. It consists of 82 floors and is served by 32 elevators. Its construction lasted 5.5 years, from May 2013 to November 2018.
JW Marriott Marquis Dubai Tower 1 was completed
The JW Marriott Marquis Dubai Hotel is the world's second tallest hotel, a 72-storey, 355 m (1,165 ft) twin-tower skyscraper complex in Dubai, United Arab Emirates. The AED1.8 billion complex features a 1,608-room hotel run by Marriott International.
Orinoquia Bridge opened
The Second Orinoco crossing or Orinoquia Bridge is a combined road and railway bridge over the Orinoco River near Ciudad Guayana, Venezuela. Prior to its construction, the only crossing of the Orinoco was the Angostura Bridge around 100 km farther upstream at Ciudad BolĂvar that was opened in 1967. The crossing is composed of approximately 4.5 km of structures and carries four lanes of road traffic separated into two carriageways by a single railway track in the centre. It consists of two cable stayed navigation spans each of 300 m with a south approach 1320 m long composed of 22 60 m spans and a north approach of 636 m composed of ten 60 m spans and one of 36 m.
Nevado del Ruiz mudflow
Nevado del Ruiz, also known as La Mesa de Herveo is a volcano on the border of the departments of Caldas and Tolima in Colombia, about 129 km (80 mi) west of the capital city Bogotá. On November 13, 1985, a small eruption produced an enormous lahar that buried and destroyed the town of Armero in Tolima, causing an estimated 25,000 deaths. This event later became known as the Armero tragedy - the deadliest lahar in recorded history. Similar but less deadly incidents occurred in 1595 and 1845, consisting of a small explosive eruption followed by a large lahar.
Holland Tunnel opened
The Holland Tunnel is a vehicular tunnel under the Hudson River that connects Hudson Square and Lower Manhattan in New York City in the east to Jersey City, New Jersey in the west. The Holland Tunnel is one of three vehicular crossings between Manhattan and New Jersey; the two others are the Lincoln Tunnel and George Washington Bridge. Plans for a fixed vehicular crossing over the Hudson River were first devised in 1906. However, disagreements prolonged the planning process until 1919, when it was decided to build a tunnel under the river. Construction of the Holland Tunnel started in 1920, and it opened in 1927. At the time of its opening, it was the longest continuous underwater tunnel for vehicular traffic in the world. he Holland Tunnel was the world's first mechanically ventilated tunnel.