Lights

Rope access electricians work on the Eiffel Tower's light bulbs in Paris on May 5, 2015. The tower's 10 000 lights are changed every four years. AFP PHOTO /

Lionel Bonaventure/AFP

Electricians work on the Eiffel Tower’s lightbulbs in Paris on Tuesday. The tower’s 10 000 lights are changed every four years

Night view of San Salvador, El Salvador, using camera zoom effect

Marvis Recinos/AFP

Night view of San Salvador, El Salvador

Volunteers light candles during the "Light of Peace in the Philippines" event in Oton town at Iloilo province, central Philippines. The event achieved a Guinness world record for the largest candle-lit image with 56,690 candles forming the map of the Philippines, breaking the previous record held by Pakistan in December 2009 with 35,478 candles. The largest flaming image using candles was done by 100,000 volunteers to celebrate world peace, local media reported.

Leo Solinap/Reuters

Volunteers light candles during the “Light of Peace in the Philippines” event in Oton town in Iloilo province, central Philippines. The event achieved a Guinness world record for the largest candle-lit image with 56,690 candles forming the map of the country.

A woman are reflected on a window glass as she walks past an art work entitled "Filament Lamp" on display at a shopping center in Beijing Friday, May 10, 2013.

Andy Wong/AP

A woman is reflected in a glass window as she walks past an art work entitled “Filament Lamp” on display at a shopping center in Beijing on Friday.