Julian Rodriguez, of Everson, Wash., holds his two-gram packet of recreational marijuana outside Top Shelf Cannabis, Tuesday, July 8, 2014, in Bellingham, Wash., on the first day of legal sales in the state. (Photo by Ted S. Warren/AP Photo)

An Indian worker crosses a street holding a shovel during monsoon rains in Prayagraj, in the northern Indian state of Uttar Pradesh, Wednesday, July 29, 2020. (Photo by Rajesh Kumar Singh/AP Photo)

Visitors buy flowers at a flower market on the eve of Hindu goddess Durga Puja festival in Bangalore, India, 10 October 2016. The nine-day Hindu festival celebrates the killing of a demon king by the Goddess Durga representing the victory of good over evil and ends with colourful celebrations all over the country. Navratri festival runs from 03 to 11 October. (Photo by Jagadeesh N.V./EPA)

A woman peels potatoes for sale at a market located along a railway line in West Jakarta, Indonesia March 1, 2016. (Photo by Garry Lotulung/Reuters)

Palestinians walk on a road during a power cut in Beit Lahiya in the northern Gaza Strip January 11, 2017. (Photo by Mohammed Salem/Reuters)

Supporters of Venezuela's President Nicolas Maduro take part in a rally in support of the government in Caracas, Venezuela on May 20, 2019. (Photo by Ivan Alvarado/Reuters)

Two years ago, Mark Rober was an engineer at NASA’s Jet Propulsion Laboratory in Pasadena, California, part of a team that worked on the Curiosity rover. For Halloween, he strapped an iPad to his chest and another to his back. Then he turned them on and used the devices’ cameras and screens to make it appear as if he had a gaping hole in the middle of his torso. (Photo By Mark Rober)

Scandinavia, always ahead of the bike infrastructure curve, has something else to share: a self-service cycle lift for hilly roads.