The "Lighthouse" monument by Katsuhiko Hibino. This work features sparks falling from charcoal made from salt-damaged cedar trees that were damaged by the tsunami following the Great East Japan Earthquake./ ©Maya Junqueira

"Sendōmaru," a performance by Katsuhiko Hibino, Open Reel Ensemble, and off-Nibroll, "sets sail" into the streets of Roppongi/ ©Maya Junqueira

Last year, Yayoi Kusama's dotted scarves flooded the streets, but this time, lanterns were sold with the concept of a "boatman" carrying a lantern as he went around./ ©Maya Junqueira

People queuing up to buy lanterns/ ©Maya Junqueira

FUNE Project "Roppongi Shipyard." A participatory project for building boats out of cardboard, led by Yokohama FUNE Project (supervised by Katsuhiko Hibino)./ ©Maya Junqueira

"Sun Self Hotel." Jun Kitazawa is working on a project in a housing complex in Ibaraki Prefecture, where he is using solar energy to create a floating handmade sun, turning apartment rooms into guest rooms. He exhibited the hotel showroom using light coll/ ©Maya Junqueira

At Sun Self Hotel, guests experience solar energy storage for themselves/ ©Maya Junqueira

Iwai Yu's "White Building Washing" projected images of Cambodian slums onto a corner of Roppongi, where many buildings stand./ ©Maya Junqueira

Kotaro Sekiguchi's "Ah." A special installation at the "Design Ah" exhibition at 21_21 Design Site. Exhibited at the entrance to Midtown./ ©Maya Junqueira

"Blanche Neige" produced and directed by Catherine Bay. The performers trained in Snow White costumes. The performance at Midtown drew a huge crowd./ ©Maya Junqueira

Daisy Balloon "Apple Bear Maru." A man in a bear costume created a bear balloon all night long. It was a very popular exhibit with passersby./ ©Maya Junqueira

Kohei Nawa's work at G-Tokyo. Exhibition by SCAI the Bathhouse/ ©Maya Junqueira

Yayoi Kusama's work at G-Tokyo, exhibited by Ota Fine Arts/ ©Maya Junqueira

Until last time, the impression was that the exhibition was divided into separate galleries by partitions, but this time it was an open exhibition with no partitions./ ©Maya Junqueira

Kuniyasu Takamasa's "The Throne of the Wandering Bird." Kuniyasu's outdoor installation is on display at the National Art Center, Tokyo's Artist File 2013./ ©Maya Junqueira

In front of the Fisheries Economics Newspaper Company, which Hibino Katsuhiko chose as the "newspaper company" for this Art Night, Keisuke Sagiyama's video work "White Paper Boat" was on display./ ©Maya Junqueira

Rhizomatiks x Yamakawa Fuyuki's "Synchromaru" was held in front of the lighthouse. The performance controlled the heartbeat and featured sound and light./ ©Maya Junqueira

Shinji Ohmaki's "Liminal Air Space-Time/Wave." This work was exhibited at Roppongi Hills. It expresses time and space using transparent fabric./ ©Maya Junqueira

The "Roppongi Yorakukai" episode featuring Aida Makoto and Omiya Ellie. They showed no signs of sleepiness and continued playing past 5am./ ©Maya Junqueira

Mori Building's Public Relations Officer, Shigekazu Watanabe/ ©Maya Junqueira