Complex sentence: It is emblematic of the Buddhist Bhavacakra, the wheel of life and rebirth, and he takes a statue of the Buddha-to-come, Maitreya from the monastery, and he goes to climb to the summit of the tallest of the surrounding mountains.
Split into simpler sentences: It is emblematic of the Buddhist Bhavacakra, the wheel of life and rebirth. He takes a statue of the Buddha-to-come, Maitreya, from the monastery and climbs to the summit of the tallest of the surrounding mountains.