Kathmandu, Aug. 20 -- As visitors come out of Kathmandu's Tribhuvan International Airport, two gigantic hoarding boards-one a welcome greeting and the other a cement advert-greet them. The problem with these two hoarding boards placed right across the road from the airport's main entrance is that they block the majestic view of the Nagarjuna hill on the western side of the Kathmandu Valley.

As you make into the city, unsightly advertisements, pamphlets, movie posters, banners and graffiti continue to line the streets. Haphazardly installed hoarding boards, pamphlets and posters have sullied the aesthetics of the Capital city known for its rich architecture.

The challenge of maintaining the city's aesthetics is well-known among local aut...