Buildings in downtown Moscow before switching off its lights as part of the Earth Hour environmental worldwide event.

19.03.2016#2810662

Kaliningrad City Hall before the building's illumination was switched off as part of the Earth Hour environmental event in Moscow.

19.03.2016#2810384

The Kaliningrad City Hall before the building's illumination was switched off as part of the Earth Hour environmental event in Moscow.

19.03.2016#2810383

A view of the Moscow International Business Center, Moscow-City, from the Taras Shevchenko embankment before and during the Earth Hour within which the buildings' illumination was switched off.

19.03.2016#2810343

The State Hermitage Museum in St. Petersburg before and during the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810336

The Peter and Paul Fortress in St. Petersburg before and during the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810335

The Peter and Paul Fortress before and during the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810334

The Peter and Paul Fortress before and during the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810333

The Foreign Ministry's building before and during the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810287

Cameramen on the roof of the Moscow City Hall during the Earth Hour within which the illumination was switched off.

19.03.2016#2810278

The Foreign Ministry's building before the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810276

Buildings in central Moscow during the Earth Hour within which the illumination was switched off.

19.03.2016#2810275

Houses on the Novy Arbat street before and during the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810265

The Lomonosov Moscow State University before and during the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810261

Cameramen on the roof of the Moscow City Hall during the Earth Hour within which the illumination was switched off.

19.03.2016#2810260

Izvestia newspaper building on Pushkinskaya Square before and during the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810258

Houses on the Novy Arbat street before and during the Earth Hour within which the buildings' illumination was switched off.

19.03.2016#2810253

A building of the Izvestia newspaper on Pushkinskaya Square in Moscow during the Earth Hour within which its illumination was switched off.

19.03.2016#2810250

The Radisson Royal Moscow hotel before and during the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810246

The Radisson Royal Moscow hotel before and during the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810245

A residential building on Tverskaya Street in Moscow before the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810213

Skyscrapers of the Moscow City business complex during the Earth Hour within which the buildings' illumination was switched off.

19.03.2016#2810203

Houses on Moscow's Novy Arbat street during the Earth Hour within which the buildings' illumination was switched off.

19.03.2016#2810197

The White House before and during the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810193

The White House during the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810190

The White House before the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810189

The Lomonosov Moscow State University's main building at Sparrow Hills during the Earth Hour within which the illumination was switched off.

19.03.2016#2810188

WWF (World Wildlife Fund) activists take part in the Earth Hour on Red Square in Moscow.

19.03.2016#2810187

The Radisson Royal Moscow hotel, right, before the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810186

The Lomonosov Moscow State University before the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810185

The Lomonosov Moscow State University's main building at Sparrow Hills before the Earth Hour within which the illumination was switched off.

19.03.2016#2810184

The Radisson Royal Moscow hotel, foreground, before the Earth Hour within which the illumination was switched off.

19.03.2016#2810183

The Moscow Kremlin before and the Earth Hour within which the illumination was switched off.

19.03.2016#2810182

The Radisson Royal Moscow hotel before the Earth Hour within which the illumination was switched off.

19.03.2016#2810181

The Moscow Kremlin before the Earth Hour within which the illumination was switched off.

19.03.2016#2810180

The Moscow Kremlin during the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810179

The Radisson Royal Moscow hotel, left, and the White House before the Earth Hour within which the illumination was switched off.

19.03.2016#2810178

The Four Seasons Hotel Moscow on Manezhnaya Square before the Earth Hour within which the illumination was switched off.

19.03.2016#2810176

Participants of the Earth Hour event on Red Square in Moscow.

19.03.2016#2810175

WWF (World Wildlife Fund) activists take part in the Earth Hour event on Red Square in Moscow.

19.03.2016#2810174

The Moscow Kremlin before and during the Earth Hour within which the illumination was switched off.

19.03.2016#2810173

A view of the White House from the Ukraina hotel before and during the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810172

The Moscow Kremlin before the Earth Hour within which the illumination was switched off.

19.03.2016#2810168

The Moscow Kremlin during the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810164

Moscow's International Business Center complex Moskva-City as seen from the Taras Shevchenko Embankment after switching off its lighting as part of the Earth Hour environmental worldwide event.

18.03.2016#2810162

Moscow's International Business Center complex Moskva-City as seen from the Taras Shevchenko Embankment during switching off its lighting as part of the Earth Hour environmental worldwide event.

18.03.2016#2810161

Moscow's International Business Center complex Moskva-City as seen from the Taras Shevchenko Embankment before switching off its lighting as part of the Earth Hour environmental worldwide event.

18.03.2016#2810160

The Moscow Kremlin before the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810158

The State Historical Museum and the Moscow Kremlin before the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810157

The Yekaterinburg City Hall before and during the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810156

The tower of the Yekaterinburg City Hall before and during the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810154

The State Historical Museum and the Moscow Kremlin before the Earth Hour within which the buildings' illumination was switched off.

19.03.2016#2810152

The State Historical Museum and the Moscow Kremlin during the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810151

The Cathedral of Christ the Savior before and during the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810150

A view of the White House from the Ukraina hotel before and during the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810148

A view of the White House from the Ukraina hotel during the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810140

A view of the White House and the Moscow City Hall from the Ukraina hotel before the Earth Hour within which the illumination was switched off.

19.03.2016#2810139

The Manege Central Exhibition Hall before and during the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810137

The Sevastyanov House in Yekaterinburg before and during the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810135

The Moscow City Hall before and during the Earth Hour within which the building's illumination was switched off.

19.03.2016#2810134

2