Rainbow number of colour bands of a rainbow may therefore be different from the number of bands in a spectrum, especially if the droplets are particularly large or small. Therefore, the number of colours of a rainbow is variable. If, however, the word "rainbow" is used inaccurately to mean "spectrum", it is the number of main colours in the spectrum. The question of whether everyone sees seven colours in a rainbow is related to the idea of linguistic relativity. Suggestions have been made that there is universality in the way that a rainbow is perceived. However, more recent research suggests that
DIY rainbow crossing activities around the world. The idea to create rainbow crosswalks appears to have first emerged in West Hollywood as part of the 2012 Gay Pride Month celebrations, initially proposed by the LA based artist Martin Duvander with the crosswalks at the intersection of San Vicente Boulevard and Santa Monica Boulevard painted rainbow colours for the month of June. In May 2012, Tel Aviv city hall painted a crosswalk in rainbow colours for a photo shoot to promote "TYP: Ivri Lider and Johnny Goldstein", the act scheduled to headline the Gay Pride Parade's main concert. These photos, reminiscent of the Beatles