Olmec colossal heads the monuments with ropes. Two heads from San Lorenzo have traces of niches that are characteristic of monumental Olmec thrones and so were definitely reworked from earlier monuments. Seventeen confirmed examples are known. An additional monument, at Takalik Abaj in Guatemala, is a throne that may have been carved from a colossal head. This is the only known example outside of the Olmec heartland on the Gulf Coast of Mexico. Possible fragments of additional colossal heads have been recovered at San Lorenzo and at San Fernando in Tabasco. Crude colossal stone heads are also known in the Southern Maya area
The Olmec-Maya and Now maintaining bases in the United Kingdom and Jamaica. He was working towards the completion of another large series of paintings, "Shostakovich" (1969-1981), which was exhibited for the first time in October of that year. The paintings in "The Olmec-Maya and Now" combine abstract expressionism with figurative depictions of Olmec and Maya icons, symbols and artefacts. Williams' re-introduction of figurative elements into his paintings marked an important stylistic departure from his earlier work, such as the "Shostakovich" series, which was entirely abstract. Art critics Mel Gooding, Reyahn King and Leon Wainwright have noted that the fusion of abstraction and figuration challenged