Iranian artist and designer Mehdi Ghadyanloo, with the help of the municipality, is slowly brightening up the city of Tehran one wall at a time. The 33-year old street artist has been painting murals and walls in Tehran for the last 5 years age, during which he’s reported to have painted over one hundred walls.

A jogger runs on the bank of Donaukanal channel in central Vienna, Austria, September 5, 2016. (Photo by Heinz-Peter Bader/Reuters)

A woman walks past a caricature of Britain's Foreign Secretary Boris Johnson in east London, Britain November 18, 2016. (Photo by Andrew Winning/Reuters)

A worker pushes a wheelbarrow past a mural in Doha on November 8, 2022, ahead of the Qatar 2022 FIFA World Cup football tournament. (Photo by Gabriel Bouys/AFP Photo)

A woman along with a child walk past a wall mural in Mumbai on November 29, 2022. (Photo by Punit Paranjpe/AFP Photo)

An artwork of the famous street artist Tvboy is seen on a wall of the House of Culture, which was heavily damaged during Russia's attack on Ukraine, in the town of Irpin, outside Kyiv, Ukraine on January 29, 2023. (Photo by Valentyn Ogirenko/Reuters)

A graffiti by urban artist TVBoy depicts President of the Royal Spanish Soccer Federation (RFEF) Luis Rubiales kissing Spanish player Jenni Hermoso, in Barcelona, Spain, 01 September 2023. Suspended RFEF President Luis Rubiales announced on 25 August that he would not resign over the kiss on the lips he gave to Spanish player Jenni Hermoso during celebrations of the FIFA Women's World Cup final. (Photo by Quique Garcia/EPA)

A pedestrian carries a shopping bag and looks at his phone while walking past a mural decorating a construction site in central Sydney on November 6, 2023. (Photo by David Gray/AFP Photo)