Small transportation boats, known as bumboats, leave trails of light as they travel across Marina Bay past the skyline of Singapore in this photo taken in 2004. Singapore holds a Jubilee weekend from 7 to 10 August to celebrate the 50th anniversary of its independence. Fifty years ago, hundreds of small boats lined the Singapore river in the city centre. Today, most small boats are gone, except a handful of neon-lit tourist ferries. Maritime trade is still the backbone of the city-state but after decades of rapid growth Singapore, which at less than half the size of London is among the world’s most densely populated nations, is also a popular tourist destination and a thriving global financial hub. (Photo by Edgar Su/Reuters)

#14 Kathellen of Brazil show her dejection after the 2019 FIFA Women's World Cup France Round Of 16 match between France and Brazil at Stade Oceane on June 23, 2019 in Le Havre, France. (Photo by Yves Herman/Reuters)

A soldier reacts after falling off a horse as members of the King's Troop, Royal Horse Artillery, arrive at Green Park for a gun salute celebrating the King's birthday in London on November 14, 2022. King Charles III is celebrating his first birthday as monarch as he turns 74. (Photo by Daniel Leal/AFP Photo)

Participants struggle to reach the prizes during a greased-pole climbing competition held as a part of the independence day celebrations in Jakarta, Indonesia, Sunday, August 17, 2014. Indonesia is celebrating its 69th independence from the Dutch colonial rule. (Photo by Dita Alangkara/AP Photo)

Elephant fights off hyenas to save baby. “This is the incredible moment an elephant came to the rescue of one of its babies being attacked by a pack of hyenas. The elephant is seen charging at the hyenas to ward them off its offspring. The photos were captured by American photographer Jayesh Mehta, 47, in the Savuti region of the Chobe National Park in Botswana”. Photo: The elephant is seen charging at the hyenas to ward them off its offspring. (Photo by Jayesh Mehta/Caters News)

These new virtual stores are built by european mega grocery kings Tesco for their South Korean Home Plus supermarkets. So far virtual shopping has been a hit with customers, according to Technologyreview: “The virtual grocery store has been a hit among more 10,287 customers, with Home Plus reporting a 130 percent increase in online sales”.

Sean Phillips flies through the air as he demonstrates the JetLev water propelled jet pack that is strapped to his back at the Yacht & Brokerage Show on February 17, 2012 in Miami Beach, Florida. (Photo by Joe Raedle/Getty Images)