Gunfire erupted at a Denver pot celebration Saturday, injuring two people and scattering a crowd of thousands who had gathered for the first 4/20 counterculture holiday since the state legalized marijuana... Photo: A woman smokes a large marijuana joint at the Vancouver Art Gallery during the annual 4/20 day, which promotes the use of marijuana, in Vancouver, British Columbia April 20, 2013. (Photo by Ben Nelms/Reuters)

A taxi driver waits for passengers inside his taxi parked on the side of a deserted road during the first day of the two-day state-imposed lockdown as a preventive measure against the surge in COVID-19 coronavirus cases in Kolkata on August 20, 2020. (Photo by Dibyangshu Sarkar/AFP Photo)

In a photo taken on October 7, 2020 a woman holds two dogs as she waits for a train in Suncheon. (Photo by Ed Jones/AFP Photo)

A woman walks in a street in freezing weather of –24 degrees Celsius in Omsk, Russia on January 13, 2021. Daytime temperatures have been below –20 degrees Celsius in the Omsk Region since 25 December 2020. (Photo by Yevgeny Sofiychuk/TASS)

Men dressed as Hindu deities from the epic Ramayan wear face masks before going on a public awareness campaign against the spread of the Covid-19 coronavirus, on the occasion of the Hindu festival “Ram Navami”, in Bangalore on April 21, 2021. (Photo by Manjunath Kiran/AFP Photo)

A Sri Lankan child uses an inflatable tube to wade through floodwaters after heavy rains in Biyagama suburb of Colombo, Sri Lanka, 06 June 2021. Many parts of the island have been inundated due to heavy monsoon rains. According to the Sri Lanka Disaster Management Center, at least 14 people have been killed so far and more than 245,212 people affected across the country. (Photo by Chamila Karunarathne/EPA/EFE)

South Korean tightrope walker Nam Chang-dong performs “Jultage” or Tightrope walking during the traditional festival “Dano” at Namsan Hanok village in Seoul, South Korea, 14 June 2021. The festival falls on the fifth day of the fifth month of the lunar calendar. Only 30 audience members were allowed to attend the performance amid the coronavirus COVID-19 pandemic. (Photo by Jeon Heon-Kyun/EPA/EFE)

A child plays beside an idol of the Hindu god Ganesh, the deity of prosperity, the day after it was immersed in the Yamuna river for the Ganesh Chaturthi festival in Delhi, India September 6, 2017. (Photo by Cathal McNaughton/Reuters)