Rich in local history and cultural facilities, Ueno Park covers a large area in the middle of Tokyo. Even though located in an urban setting, we anticipated a lighting environment completely different than the lights of downtown. Between the trees and darkness of the park there are patches of Tokyo`s bright night sky, but the hushed silence is isolated from the city`s hustle and bustle. Ueno Park`s quiet presence gently sleeps next to Tokyo`s vibrant downtown. Approaching Ueno Park from the JR train station.　　The large overhang of the Tokyo Bunka Kaikan is brightly illuminated in contrast to the surrounding darkness of the park. A view o f northern Tokyo over the Shinobazu Pond from an elevated Ueno terrace. The bright lights of a vibrant downtown are seen in the distance beyond the dark trees of the park. However, through the darkness a bright, orange, sodium lamp illuminates the Benten Shrine near the pond. Looking towards the water fountain plaza from the Tokyo National Museum. A slightly bright night sky, characteristic of most metropolitan areas, opens over head with a dark belt of trees and tiny dots of light below. Young couples seeking a quiet spot away from the lights, snuggle up together on near benches.

2025.09.04-09.08 Yonglin Ke + Masashi Kurobe The nights in Honolulu are a diverse blend of resort illumination, residential lights, torches, and night market glows. However, as the city develops, the starry sky is fading, raising concerns about the impact on the local ecosystem. Balancing urban growth with light pollution countermeasures remains a significant challenge. We conducted an on-site night walk survey to explore the balance between the city and nature and to evaluate the current lighting environment. ■Honolulu Honolulu, the capital of the U.S. state of Hawaii, is a prominent tourist destination in the heart of the Pacific Ocean. Simultaneously, it serves as the political and economic hub of the state. In this land where the sea, mountains, and urban areas sit in close proximity, the nightscape reveals a variety of expressions depending on the time and location—blending the glow of resort hotels, the soft lights of residences, traditional fire torches, and the vibrant lights of night markets. Furthermore, the combination of intense sunlight and a tropical climate creates a unique character within the city’s lighting environment. On the other hand, urban development and the growth of the tourism industry have negatively impacted the visibility of the starry sky and affected local ecosystems, such as migratory birds and sea turtles. While the state and city have begun implementing measures to reduce light pollution, finding a balance with the tourism industry remains a challenge. During this night walk survey, we investigated…

City Survey: Tsukiji, Tokyo 2017/12/14,2018/01/12　　Nemoto Isao + Masafumi Yamamoto　 Night view from the opposite shore of Tsukiji, across the Sumida River. Tsukiji Market on the middle, Tokyo Tower and Tsukiji Bridge on the left, and Kachidoki Bridge on the right. In this Tsukiji survey, we visited the inner market, where mainly wholesale is taking place, the outer market, where visitors can shop and eat, and also the Tsukiji Honganji temple and the Kachidoki Bridge which are popular spots for tourists. ■Luminous Environment around Tukiji Fish Market From the Kachidoki area on the opposite side of the Tsukiji fish market, you can overlook the entire view of the market, buildings such as Kachidoki Bridge and Tokyo Tower across the Sumida River. While we notice white light that comes from the market and surrounded buildings, the warm-colored light of incandescent lamps emitted from the fish handling facility facing the Sumida River on the opposite shore. This view is quite impressive, and creates an emotional and beautiful view during the night.This warm light from the market brings the sense of the history of Tsukiji rooted in this area for a long time. In contrast, the white light emitted from the group of high-rise buildings in the background seems to symbolize the momentum of the rapidly evolving city. Outside the market, there are more than 400 shops, and many shops still remain open after evening.Various light sources and lighting fixtures are used in each…

In front of the main gate to Senso-ji Shrine lies the neighborhood of Asakusa. One of Tokyo’s most popular entertainment districts, Asakusa flourished with kabuki, opera, and comic storytelling from the Meiji Era to the end of WWII. The Lighting Detectives discovered a variety of decorative streetlights and a lighting atmosphere fitting for this lively cultural destination. Upon entering the famous Kaminarimon, the Nakamise approach proceeds towards the shrine with bright-white, fluorescent-tube illuminated signage lining both sides. After navigating this corridor, walls of softly glowing lanterns come into view. The lanterns once lit with fire were replaced with incandescent bulbs and now fluorescent lamps. In popular neighborhoods like Shibuya or Roppongi, architectural facade lighting or neon signage fills the vertical space and “street lighting” is virtually non-existent. However, a variety of decorative streetlights festively illuminate the streets of Asakusa for a very fitting lighting environment. Pub signage and lanterns dispersed along the dark streets of Asakusa create an uncanny charm in this neighborhood. Roadway lux levels are a fairly dim 10-16 lx, but the red lanterns hanging from the eaves of establishments dig up affection for this old town.

The Marunouchi district in the center of Tokyo has been transformed in recent years from a business and financial center to the latest redevelopment to intertwine commercial and office space. Our survey started in Marunouchi, as we closed in on the infamous Tokyo Tower to view the sprawling Tokyo nightscape. Marunouchi Central Street is enclosed on both sides by buildings all at the same height of 31 meters. Facade lighting and streetlights throw an even light over the street, creating a flat nightscape with no rhythm of light and shadow. Quite possibly occupying the staring role in the production of the Tokyo nightscape is the Tokyo Tower. The ironworks structure of this tower is illuminated from underneath, beautifully generating a glowing symbol for the city. At 250 meters, looking down on Tokyo from the tower is a beautiful site. Glare is blinding and there is no visible unified pattern to the lights of Tokyo, but lights twinkle all over the city and continue as far as the horizon. Things always look better from a distance and the Tokyo nightscape is one of them!