The "Closer" series consists of unique free-blown glass sculptures, each one consisting of four vessels contorted and wrapped around each other. Each vessel is distinguished by its color or transparency so that their individuality is clear despite the knot they form in their embrace. In Markus’ own words, this series is a metaphor "to remind us that we need each other". The effect is decidedly exultant; the composed forms appear like arabesques, flourishes in glass, dancing in space.