This pool photograph distributed by Russian state agency Sputnik shows Russia's President Vladimir Putin, accompanied by Rosatom head Alexei Likhachev, touring the Atom pavilion, a permanent exhibition centre designed to demonstrate Russia's main past and modern achievements of the nuclear power industry, at Russia Expo, an exhibition designed to demonstrate Russia's main achievements in culture and technology, at the All-Russia Exhibition Centre (VDNH) in Moscow on December 4, 2023. (Photo by Mikhail KLIMENTYEV / POOL / AFP)