1: Dubai's Burj Khalifa is the tallest building in the world, but perhaps not for long. Saudi Arabia has announced plans to build a 1 kilometer (3,280 foot) tower into the sky, to be named the Jeddah Tower, scheduled for completion in 2020. The Burj Khallifa currently stands at 2,716 ft. (Photo by Matthias Seifert/Reuters)

Visitors visit the upside-down family size house in Taipei, Taiwan, 23 February 2016. The three story upside-down family size house attracts hundreds of visitor’s who are amused with the exhibit. According to the organizers, the total cost of the construction is around 600,000 US Dollars and took 2 months to complete. (Photo by Ritchie B. Tongo/EPA)

A seagull flies through a rainbow near the Savannah River and the open spillway at Thurmond Dam in Clarks Hill, SC, Monday, January 4, 2016. (Photo by Michael Holahan/Augusta Chronicle via AP Photo)

Some wave over the rainbow – a splash of colour is captured in spray over the sea wall at Totland Bay on the Isle of Wight off the south coast of England on February 16, 2022. (Photo by Jamie Russell/Bournemouth News)

Acrobat Indira Avila leaves the ring as performer Glenn Falco warms up backstage ahead of a dress rehearsal at the newly renovated Blackpool Tower Circus, in Blackpool, Britain, March 28, 2022. (Photo by Phil Noble/Reuters)

A crowd of people gathered at the seaside of Udaipur, Digha, India before a cloud burst of rain on May 21, 2022. India Meteorological Department (IMD) has predicted that the Monsoon rain will likely arrive a week early this year due to twin cyclones, Asani and Karim. (Photo by Avishek Das/SOPA Images/LightRocket via Getty Images)

A Highland Cow at sunset on the edge of the Marlborough Downs, Wiltshire, United Kingdom on October 18, 2020. (Photo by David White/PictureExclusive)

People watch the light installation “Onion Skin” by artist Oliver Ratsi performed during the Vilnius 700th anniversary celebration, in Vilnius, Lithuania, 25 January 2023. (Photo by Valda And Kalniņa/EPA/EFE)